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# The positive integer k has exactly two positive prime factors, 3 and 7

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Intern
Joined: 29 Oct 2018
Posts: 7
The positive integer k has exactly two positive prime factors, 3 and 7  [#permalink]

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Updated on: 23 Nov 2018, 20:46
00:00

Difficulty:

55% (hard)

Question Stats:

40% (00:57) correct 60% (00:58) wrong based on 10 sessions

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The positive integer k has exactly two positive prime factors, 3 and 7. If k has a total of 6 positive factors, including 1 and k, what is the value of k ?

(1) 3^2 is a factor of K.
(2) 7^2 is not a factor of K.

Originally posted by SauravSaket on 23 Nov 2018, 13:51.
Last edited by amanvermagmat on 23 Nov 2018, 20:46, edited 1 time in total.
Edited the title and formating
Math Expert
Joined: 02 Sep 2009
Posts: 51121
Re: The positive integer k has exactly two positive prime factors, 3 and 7  [#permalink]

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24 Nov 2018, 00:15
SauravSaket wrote:
The positive integer k has exactly two positive prime factors, 3 and 7. If k has a total of 6 positive factors, including 1 and k, what is the value of k ?

(1) 3^2 is a factor of K.
(2) 7^2 is not a factor of K.

PLEASE SEARCH BEFORE POSTING: https://gmatclub.com/forum/the-positive ... 60634.html
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Re: The positive integer k has exactly two positive prime factors, 3 and 7 &nbs [#permalink] 24 Nov 2018, 00:15
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