Question

Find the common factors of:
5, 15 and 25

Answer 1

A factor of a number is an exact divisor of that number.
Factors of 5 = 1, 5
Factors of 15 = 1, 3, 5, 15
Factors of 25 = 1, 5, 25
Thus, common factors of 5, 15 and 25 = 1, 5