1680
2 x 3 is the prime factorization of 6.
14 / \ 7 2
50 = 2 x 5 x 5
2 x 5 x 7 x 7 = 490
Prime factorization for 128 is 27
22 x 3 x 5 = 60
The only prime factor of 128 is 2.
No, it is not prime.
The prime factorization of 68 is 17 x 2 x 268 is composite. It is 2 x 2 x 17.
The only prime number (factor) of 128 is 2.
The prime factorization of 450 is 2 x 3 x 3 x 5 x 5