Question

What is the prime factorization of 45 answers:

Answer 1

45=9*5=5*3*3

Since 5 and three are prime numbers, you cannot go any further, so the prime factorization would be

3 x 3 x 5 (or 5 x 3^2)

Answer 2

The last one 3 x 3 x 5
and the first one 5 x 9