no it can be dvided by 2,128,4,64,8,32 and 16
2^8 = 256
28 = 256
No. The prime factorization of 256 is 2*2*2*2*2*2*2*2 or 2^8. 4 is not prime.
1 x (2)8
28 = 256
Prime factors of 256=2x2x2x2x2x2x2x2 (or 28)
256 = 28
256 is composite because it ends in an even number so the number 2 goes in it.
28 = 56
Count the number of twos in its prime factorization.
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 256 is composite.
2 is the only prime factor of 256.
2^8 = 256
256 = 28
256 = 28.
28 = 256
28 = 256