GmatPrep?? (Prime Factors)

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dferm: Master | Next Rank: 500 Posts; Posts: 446; Joined: Thu Jul 26, 2007 1:07 pm; Thanked: 6 times

by dferm » Wed Sep 03, 2008 4:17 pm

Please Help??

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Source: Beat The GMAT — Problem Solving | Wed Sep 03, 2008 4:17 pm

parallel_chase: Legendary Member; Posts: 1153; Joined: Wed Jun 20, 2007 6:21 amFollowed by: 2 members; Thanked: 146 times

by parallel_chase » Wed Sep 03, 2008 4:28 pm

Two digit numbers have length 6 ?

2^6 = 64, length =6

2^5 * 3 = 96, length =6

Hence Answer is 2.

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