3 x 72 = 147
62 = 2*31
29 is prime but 39 is composite
39 is prime because no number can go into it.
13 is a prime number and 39 isint a prime number
3 x 13 = 39
The prime factorizatin of 162 is 2,3,3,3,and3.
3x3x5
2 X 7
2^2×3^3
3 x 72 = 147
62 = 2*31
3 x 5 x 5 = 75
2 x 2 x 2 = 8
70 = 2 x 5 x 7
27 = 3 x 3 x 3
It is 2x2x5x5x or with exponents 2 squared x 5 squared.