23 is already prime, no factorization required.
The prime facorization for 222 is 2*3*37
3 x 5 x 5 x 13
308 is divisible by 2. So it cannot be a prime.
2 x 2 x 2 x 2 x 3 = 48
23 is already prime, no factorization required.
25 = 32
The prime facorization for 222 is 2*3*37
2*2*2*7
It is: 2*3*5 = 30
2 x 3 x 17
2 x 2 x 23
It is: 2*2*5*5 =100
2 x 2 x 11 = 44
63 = 3 x 3 x 7
2 x 2 x 19 = 76
980 = 2*2*5*7*7.