Just 2.
2 and 3
The only prime factor of 64 is 2.
64 = 2x2x2x2x2x2
Prime factor is 2. Factors are 1, 2, 4, 8, 16, 32, 64
Prime factors of 64 are 26 (2x2x2x2x2x2)
64 has only one prime factor: 2
The only prime factor of 64 is 2.
The only prime factor of 64 is 2.
The factors of 64 are 1, 2, 4, 8, 16, 32 and 64
64 = 26
64 has only one prime factor which is 2.
The prime factor of 64 is 2.