Search found 6 matches
- by tenpercenter76
Thu Dec 14, 2006 7:56 pm- Forum: Data Sufficiency
- Topic: Weekly Math Quest - Nov26th,2006
- Replies: 5
- Views: 4094
4^17 - 2^28 =
2^34 - 2^28 =
//factor out 2^28
2^28(2^6 - 1)=
2^28(63)
the greatest prime factor of 2^28 is 2, but the greatest prime factor of 63 is 7
D is the answer.
- by tenpercenter76
Thu Dec 14, 2006 8:47 am- Forum: Problem Solving
- Topic: GMATPrep Exponent Problem
- Replies: 5
- Views: 3908
- by tenpercenter76
Wed Dec 13, 2006 8:04 pm- Forum: Data Sufficiency
- Topic: Weekly Math Quest - Nov19th,2006
- Replies: 4
- Views: 3800
- by tenpercenter76
Wed Dec 13, 2006 8:03 pm- Forum: Data Sufficiency
- Topic: Weekly Math Quest - Dec3rd,2006
- Replies: 8
- Views: 4579
- by tenpercenter76
Wed Dec 13, 2006 8:02 pm- Forum: Data Sufficiency
- Topic: Weekly Math Quest - Dec3rd,2006
- Replies: 8
- Views: 4579
- by tenpercenter76
Wed Dec 13, 2006 9:30 am- Forum: Data Sufficiency
- Topic: Weekly Math Quest - Nov26th,2006
- Replies: 5
- Views: 4094