Question

Find the hcf and lcm of the folliwing positive integer by applying the prime factorisation method 84 90 120 (3) 112 144 168

Answer 1

Answer:

First, find the prime factors of the given integers: 84, 90 and 120.

84 = 2 × 2 × 3 × 7

90 = 2 × 3 × 3 × 5

120 = 2 × 2 × 2 × 3 × 5

∴ L.C.M (84, 90, 120) = 2520

H.C.F (84, 90 and 120) = 6

Step-by-step explanation:

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