Question

Whats the HCF of
15 and 45

Answer 1

Answer:

The HCF of 15 and 45 is 15.

Answer 2

15 = 3 × 5

45 = 5 × 3 × 3

H.C.F = Common terms with lowest power

=> H.C.F = 3 × 5

=> H.C.F = 15