Question

Find the lcm and hcf of 840 and 144 by applying the fundamental theorem of arithmetic

Answer 1

Find the prime factorization of 144
144 = 2 × 2 × 2 × 2 × 3 × 3
Find the prime factorization of 840
840 = 2 × 2 × 2 × 3 × 5 × 7
LCM = 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7LCM = 5040

Answer 2

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