Whole Number to Exponents [closed]












0














I need to find the exponents from $3240$. The answer sheet says $2^3cdot3^4cdot5$. But how do I get the exponents from my whole number?










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closed as off-topic by José Carlos Santos, mrtaurho, Jyrki Lahtonen, amWhy, Pierre-Guy Plamondon Dec 17 '18 at 21:22


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – José Carlos Santos, mrtaurho, Jyrki Lahtonen, amWhy, Pierre-Guy Plamondon

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  • 1




    Hi Oliver, and welcome to MSE. It ends in a $0$ so is a multiple of both $5$ and $2$. The digits add to a multiple of $3$, so it's a multiple of $3$. Now divide by those known factors and see if ther are more easy factors to factor out. I would say "show what you've tried" but I suspect you didn't even get started.
    – user334732
    Dec 17 '18 at 19:47


















0














I need to find the exponents from $3240$. The answer sheet says $2^3cdot3^4cdot5$. But how do I get the exponents from my whole number?










share|cite|improve this question















closed as off-topic by José Carlos Santos, mrtaurho, Jyrki Lahtonen, amWhy, Pierre-Guy Plamondon Dec 17 '18 at 21:22


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – José Carlos Santos, mrtaurho, Jyrki Lahtonen, amWhy, Pierre-Guy Plamondon

If this question can be reworded to fit the rules in the help center, please edit the question.









  • 1




    Hi Oliver, and welcome to MSE. It ends in a $0$ so is a multiple of both $5$ and $2$. The digits add to a multiple of $3$, so it's a multiple of $3$. Now divide by those known factors and see if ther are more easy factors to factor out. I would say "show what you've tried" but I suspect you didn't even get started.
    – user334732
    Dec 17 '18 at 19:47
















0












0








0







I need to find the exponents from $3240$. The answer sheet says $2^3cdot3^4cdot5$. But how do I get the exponents from my whole number?










share|cite|improve this question















I need to find the exponents from $3240$. The answer sheet says $2^3cdot3^4cdot5$. But how do I get the exponents from my whole number?







algebra-precalculus elementary-number-theory






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edited Dec 18 '18 at 3:09









AryanSonwatikar

31312




31312










asked Dec 17 '18 at 18:51









Oliver GustafsonOliver Gustafson

71




71




closed as off-topic by José Carlos Santos, mrtaurho, Jyrki Lahtonen, amWhy, Pierre-Guy Plamondon Dec 17 '18 at 21:22


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – José Carlos Santos, mrtaurho, Jyrki Lahtonen, amWhy, Pierre-Guy Plamondon

If this question can be reworded to fit the rules in the help center, please edit the question.




closed as off-topic by José Carlos Santos, mrtaurho, Jyrki Lahtonen, amWhy, Pierre-Guy Plamondon Dec 17 '18 at 21:22


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – José Carlos Santos, mrtaurho, Jyrki Lahtonen, amWhy, Pierre-Guy Plamondon

If this question can be reworded to fit the rules in the help center, please edit the question.








  • 1




    Hi Oliver, and welcome to MSE. It ends in a $0$ so is a multiple of both $5$ and $2$. The digits add to a multiple of $3$, so it's a multiple of $3$. Now divide by those known factors and see if ther are more easy factors to factor out. I would say "show what you've tried" but I suspect you didn't even get started.
    – user334732
    Dec 17 '18 at 19:47
















  • 1




    Hi Oliver, and welcome to MSE. It ends in a $0$ so is a multiple of both $5$ and $2$. The digits add to a multiple of $3$, so it's a multiple of $3$. Now divide by those known factors and see if ther are more easy factors to factor out. I would say "show what you've tried" but I suspect you didn't even get started.
    – user334732
    Dec 17 '18 at 19:47










1




1




Hi Oliver, and welcome to MSE. It ends in a $0$ so is a multiple of both $5$ and $2$. The digits add to a multiple of $3$, so it's a multiple of $3$. Now divide by those known factors and see if ther are more easy factors to factor out. I would say "show what you've tried" but I suspect you didn't even get started.
– user334732
Dec 17 '18 at 19:47






Hi Oliver, and welcome to MSE. It ends in a $0$ so is a multiple of both $5$ and $2$. The digits add to a multiple of $3$, so it's a multiple of $3$. Now divide by those known factors and see if ther are more easy factors to factor out. I would say "show what you've tried" but I suspect you didn't even get started.
– user334732
Dec 17 '18 at 19:47












2 Answers
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5














For the powers of $2$; keep dividing by $2$ until you can no longer: 3240-> 1620 -> 810 -> 405 .. that's it: 405 is not divisible by $2$. So, you were able to divide by $2$ three times, hence the exponent of $2$ is $3$.



Now continue dividing by $3$ ...






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    3














    Straight away we can identify that $3240$ is divisible by $10$, or equivalently $2cdot 5$; so we can start with $3240=2cdot 5cdot 324$. Now, by using this divisibility test we can see that $324$ is divisible by $3$ precisely $108$ times. A further inspection sees that $108$ divides by $3$ again. So so far, we have $3240=2cdot 5cdot 3cdot 3cdot 36$. From here, we can swiftly conclude this by realising that $36=6^2=(2cdot 3)^2=2^2cdot 3^2$. Thus, putting everything together gives us $$3240=2cdot 5cdot 3cdot 3cdot 2^2cdot 3^2=2^3cdot3^4cdot 5,$$ as desired.






    share|cite|improve this answer




























      2 Answers
      2






      active

      oldest

      votes








      2 Answers
      2






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      5














      For the powers of $2$; keep dividing by $2$ until you can no longer: 3240-> 1620 -> 810 -> 405 .. that's it: 405 is not divisible by $2$. So, you were able to divide by $2$ three times, hence the exponent of $2$ is $3$.



      Now continue dividing by $3$ ...






      share|cite|improve this answer


























        5














        For the powers of $2$; keep dividing by $2$ until you can no longer: 3240-> 1620 -> 810 -> 405 .. that's it: 405 is not divisible by $2$. So, you were able to divide by $2$ three times, hence the exponent of $2$ is $3$.



        Now continue dividing by $3$ ...






        share|cite|improve this answer
























          5












          5








          5






          For the powers of $2$; keep dividing by $2$ until you can no longer: 3240-> 1620 -> 810 -> 405 .. that's it: 405 is not divisible by $2$. So, you were able to divide by $2$ three times, hence the exponent of $2$ is $3$.



          Now continue dividing by $3$ ...






          share|cite|improve this answer












          For the powers of $2$; keep dividing by $2$ until you can no longer: 3240-> 1620 -> 810 -> 405 .. that's it: 405 is not divisible by $2$. So, you were able to divide by $2$ three times, hence the exponent of $2$ is $3$.



          Now continue dividing by $3$ ...







          share|cite|improve this answer












          share|cite|improve this answer



          share|cite|improve this answer










          answered Dec 17 '18 at 18:54









          Bram28Bram28

          60.3k44590




          60.3k44590























              3














              Straight away we can identify that $3240$ is divisible by $10$, or equivalently $2cdot 5$; so we can start with $3240=2cdot 5cdot 324$. Now, by using this divisibility test we can see that $324$ is divisible by $3$ precisely $108$ times. A further inspection sees that $108$ divides by $3$ again. So so far, we have $3240=2cdot 5cdot 3cdot 3cdot 36$. From here, we can swiftly conclude this by realising that $36=6^2=(2cdot 3)^2=2^2cdot 3^2$. Thus, putting everything together gives us $$3240=2cdot 5cdot 3cdot 3cdot 2^2cdot 3^2=2^3cdot3^4cdot 5,$$ as desired.






              share|cite|improve this answer


























                3














                Straight away we can identify that $3240$ is divisible by $10$, or equivalently $2cdot 5$; so we can start with $3240=2cdot 5cdot 324$. Now, by using this divisibility test we can see that $324$ is divisible by $3$ precisely $108$ times. A further inspection sees that $108$ divides by $3$ again. So so far, we have $3240=2cdot 5cdot 3cdot 3cdot 36$. From here, we can swiftly conclude this by realising that $36=6^2=(2cdot 3)^2=2^2cdot 3^2$. Thus, putting everything together gives us $$3240=2cdot 5cdot 3cdot 3cdot 2^2cdot 3^2=2^3cdot3^4cdot 5,$$ as desired.






                share|cite|improve this answer
























                  3












                  3








                  3






                  Straight away we can identify that $3240$ is divisible by $10$, or equivalently $2cdot 5$; so we can start with $3240=2cdot 5cdot 324$. Now, by using this divisibility test we can see that $324$ is divisible by $3$ precisely $108$ times. A further inspection sees that $108$ divides by $3$ again. So so far, we have $3240=2cdot 5cdot 3cdot 3cdot 36$. From here, we can swiftly conclude this by realising that $36=6^2=(2cdot 3)^2=2^2cdot 3^2$. Thus, putting everything together gives us $$3240=2cdot 5cdot 3cdot 3cdot 2^2cdot 3^2=2^3cdot3^4cdot 5,$$ as desired.






                  share|cite|improve this answer












                  Straight away we can identify that $3240$ is divisible by $10$, or equivalently $2cdot 5$; so we can start with $3240=2cdot 5cdot 324$. Now, by using this divisibility test we can see that $324$ is divisible by $3$ precisely $108$ times. A further inspection sees that $108$ divides by $3$ again. So so far, we have $3240=2cdot 5cdot 3cdot 3cdot 36$. From here, we can swiftly conclude this by realising that $36=6^2=(2cdot 3)^2=2^2cdot 3^2$. Thus, putting everything together gives us $$3240=2cdot 5cdot 3cdot 3cdot 2^2cdot 3^2=2^3cdot3^4cdot 5,$$ as desired.







                  share|cite|improve this answer












                  share|cite|improve this answer



                  share|cite|improve this answer










                  answered Dec 17 '18 at 18:59









                  thesmallprintthesmallprint

                  2,6211618




                  2,6211618















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