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GMATPrep GCF and LCM

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by cris » Sat Jan 26, 2008 7:13 pm
I think is B. If I am corect I will explain :D
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by malnv » Sat Jan 26, 2008 10:18 pm
Its C.

Number is LCM * GCF
prime factors for 105 *5 - 2,5,7

where 7 is greatest PF
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by sankruth » Sun Jan 27, 2008 12:28 am
IMO the answer is B.

LCM will have all the unique prime factors of both numbers n & t, which will include the greatest prime factor.
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by malnv » Sun Jan 27, 2008 12:43 am
You are right. LCM = product of highest power of ALL prime factors.
- B is SUFF
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by StarDust845 » Sun Jan 27, 2008 8:38 am
OA is B. I got it wrong though.
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