Question

Find he hcf of 210 and 55

Answer 1

hi friend as you know hcf means highest common factor.
hcf of
210= 1, 210, 2, 105, 3, 70, 5, 42, 6, 35, 7, 30, 10, 21.

55= 1, 55, 5, 11.
therefore hcf is 5

Answer 2

Hi !

Prime factorization:-
210 = 2 × 5 × 3 × 7
55 = 5 × 11

HCF = 5