256 is composite because it ends in an even number so the number 2 goes in it.
2 is the only prime factor of 256.
The only prime factor of 256 is: 2
Prime factors of 256=2x2x2x2x2x2x2x2 (or 28)
The prime factors of 256 are 2x2x2x2x2x2x2x2 (or 28).
2^8 = 256
256 is not prime. 256 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2
28 = 256
28 = 256
256 = 28
256 = 28.
256 = 28
What is the prime factorization of 256^180