Question

Please help with this question above

Answer 1

3 times 5 = 15

Explanation:

Find common factors of 45 and 60

1, 3, 5, 15

3 and 5 are the only prime numbers therefore they are the correct answer

Answer 2

3 × 5 = 15

Explanation:

factors of 45 : 1, 3, 5, 9, 15, 45

factors of 60 : 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

common factors are : 1, 3, 5, 15

Of which 3 and 5 are the only 2 prime numbers

multiplication is 3 × 5 = 15