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# GRE Math Challenge #30- The greatest prime factor of 15

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GRE Math Challenge #30- The greatest prime factor of 15 [#permalink]  09 Sep 2014, 01:33
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Question Stats:

99% (00:09) correct 0% (00:00) wrong based on 7 sessions
Column A : The greatest prime factor of 15

Column B : The greatest prime factor of 14

A)The quantity in Column A is greater
B)The quantity in Column B is greater
C)Both are Equal.
D)The relationship cannot be determined from the information given
[Reveal] Spoiler: OA

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Sandy
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Re: GRE Math Challenge #30- The greatest prime factor of 15 [#permalink]  07 Mar 2018, 00:46
sandy wrote:
Column A : The greatest prime factor of 15

Column B : The greatest prime factor of 14

A)The quantity in Column A is greater
B)The quantity in Column B is greater
C)Both are Equal.
D)The relationship cannot be determined from the information given

For quant A, the greatest prime woul be 5.

For quant B, the greatese prime would be 7.

so, B>A
Re: GRE Math Challenge #30- The greatest prime factor of 15   [#permalink] 07 Mar 2018, 00:46
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