5 x 5 x 7 x 7
The prime factorizatin of 162 is 2,3,3,3,and3.
3x3x5
2 X 7
The prime factorization of 1225 is 5x5x7x7.
2^2×3^3
3 x 13 = 39
Prime factors of 1225 are 5, 5, 7, and 7.
3 x 72 = 147
62 = 2*31
3 x 5 x 5 = 75
70 = 2 x 5 x 7
27 = 3 x 3 x 3