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If x and y are positive integers, is the total number of positive

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If x and y are positive integers, is the total number of positive [#permalink]

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New post 19 Sep 2017, 00:14
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If x and y are positive integers, is the total number of positive divisors of \(x^5\) a multiple of total number of positive divisors of \(y^9\)

a) x=6
b) y=1

Kudos to correct answer and explanation. Caveat- this is a hard problem from Manhattan discussion forums( their 700 level problems on portal)
[Reveal] Spoiler: OA

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Kudos [?]: 184 [0], given: 33

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Posts: 42249

Kudos [?]: 132646 [0], given: 12326

Re: If x and y are positive integers, is the total number of positive [#permalink]

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New post 19 Sep 2017, 00:27
bkpolymers1617 wrote:
If x and y are positive integers, is the total number of positive divisors of \(x^5\) a multiple of total number of positive divisors of \(y^9\)

a) x=6
b) y=1

Kudos to correct answer and explanation. Caveat- this is a hard problem from Manhattan discussion forums( their 700 level problems on portal)


This is very similar question to the following GMAT Club's problem: https://gmatclub.com/forum/if-x-and-y-a ... 31178.html
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Kudos [?]: 132646 [0], given: 12326

Re: If x and y are positive integers, is the total number of positive   [#permalink] 19 Sep 2017, 00:27
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