Question

1. Which one is not a common factor of 30 and 45​

Answer 1

$30 = 2 \times 3 \times 5 \\ \\ 45 = 5 \times 3 \times 3 \\ \\ 2 \: \: \: is \: \: \: not \: \: \: \: factor. common$

Answer 2

Answer:

2 is not common factor..,..