Question

Find if 5 is a factor of 45?

Answer 1

Answer:

Yes

Step-by-step explanation:

$45 = 1 \times 45\\45 = 3 \times 15 \:, \\45 =\: 5 \times 9.\\\\ Factors\: of \:45: 1, 3, 5, 9, 15, 45. \\\\Prime \: factorization: 45 = 3 \times 3 \times 5, \\45 = 3^2 \times 5.$