1155 is composite.
23 is already prime, no factorization required.
25 = 32
The prime facorization for 222 is 2*3*37
As a product of its prime factors: 3*5*7*11 = 1155
2*2*2*7
It is: 2*3*5 = 30
prime numbers that divide into 1155 = 3, 5, 7, 11
2 x 3 x 17
It is: 2*2*5*5 =100
2 x 2 x 23
As a product of its prime factors: 3*5*7*11 = 1155