Prime factors of 396: 2, 2, 3, 3, 11
22 x 32 x 11 = 396
396 = 2 * 2 * 3 * 3 * 11 = 22 * 32 * 11
2 x 2 x 3 x 3 x 11 = 396
2 x 2 x 3 x 3 x 11 = 396
Keep dividing by 2 and 3 until you get to 11. 2 x 2 x 3 x 3 x 11 = 396
Factorization: 2*2*3*3*11
The prime factorization of 91 is 13 x 7 They are both prime so its a prime factorization
81 is not prime. Its prime factorization is 3x3x3x3.