Question

what is the LCM of 63, 70, 77

Answer 1

By prime factorization :-

63 = 3 × 21 = 3 × 3 × 7

70 = 2 × 35 = 2 × 5 × 7

77 = 7 × 11

LCM (63, 70, 77) = 3 × 3 × 2 × 5 × 7 × 11 = 6930

Answer 2

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