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29 Aug 2017, 21:38
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A
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Difficulty:
45%
(medium)
Question Stats:
60% (01:10) correct
40%
(01:20)
wrong
based on 15
sessions
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Not Attempted Yet
In how many ways can N! be written as the product of 2 integers?
1. The number N! Has 30 factors
2. The highest power of 3 in N! is 4
1. The number N! Has 30 factors
2. The highest power of 3 in N! is 4
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29 Aug 2017, 21:48
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gmatsam123
Not a good question. It should be mentioned that N is a positive integer.
On this subject, you can study theory and practice quality question from the links below:
5. Divisibility/Multiples/Factors
- Theory
Divisibility and Remainders on the GMAT
Tips and hints: Divisibility/Multiples/Factors
3 Deadly Mistakes you must avoid in LCM-GCD Questions
How Well Do You Know Your Factors?
THE MOST EFFICIENT WAY TO STUDY LEAST COMMON MULTIPLES ON THE GMAT
8. Exponents and Roots of Numbers
Hope it helps.
This Question is Locked Due to Poor Quality
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