Question

answer 3 question 1 part.

Answer 1

963= 3× 321

= 9×107

657= 3×219

= 9×73

hence the HCF is 9

OR

Using Euclid’s Division Lemma a = bq+r , o ≤ r < b 963 = 657×1 + 306 657 = 306×2 + 45 306 = 45×6+36 45 = 36×1+9 36 = 9×4+0 ∴ HCF (657, 963) = 9.