The only way to get exactly 7 factors is to raise a Prime number to the sixth power - so (using the symbol "^" for power), that would be 2^6, 3^6, 5^6, 7^6, 11^6, etc.
64 does.
64
64 is the least number having exactly 7 factors: 1, 2, 4, 8, 16, 32, and 64.
The factors of 64 are 1, 2, 4, 8, 16, 32, and 64. Thus 64 has 7 factors.Or,64 = 2^6The number of factors of 64 is equal to 7, (6 + 1).
64
64 (1, 2, 4, 8, 16, 32, 64)
It is 2^6 = 64.
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.
Any prime number to the 6th power, like 64 or 729.
64
Seven factors.
Factors for 64 are: 1, 2, 4, 8, 16, 32, 64