Question 2 (b)
Find the common factors of: 15 and 25
A factor of a number is an exact divisor of that number. Factors of 15 = 1, 3, 5, 15 Factors of 25 = 1, 5, 25 Thus, common factors of 15 and 25 = 1, 5
Find the common factors of:
(a) 20 and 28 (b) 15 and 25
(c) 35 and 50 (d) 56 and 120