Factors for 64 are: 1, 2, 4, 8, 16, 32, 64
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7 factors. They are: 1, 2, 4, 8, 16, 32, 64
Factors of 49: 1, 7, and 49Factors of 64: 1, 2, 4, 8, 16, 32, and 64The only common factor of 49 and 64 is 1 .
Since 7 is a prime, 7*1 = 7, so that the only possibility for a number to have 7 factors is to have only one prime factor to the power of 6, because 7 = 1 + 6. 64 = 26 = 7 factors (6 + 1) (2 is the smallest prime number) Since 36 > 100, then 64 is the only number between 0 and 100 that have 7 factors.
It is 2^6 = 64.
1, 2, 7, 14 1, 2, 4, 8, 16, 32, 64