the prime factorization of 26 is 2 and 13...
Correction: 1, 2, 13, 26
Don't ever forget one and the number itself, because if it's your homework you're gonna get it wrong >_<
2 x 13 = 26
11,5.
3
67 is already prime; no factorization required.
The prime factorization of 87 is 1,3,29, and 87
Just 5.
21 34 56
The prime factorization of 72 is 72 9 x 8
5*5*2*2
32 x 31 = 279
5*5*2*2
It is: 3*7*7 = 147