Question

Find the LCM of 42 and 70 by prime factorization method

Answer 1

Answer:

Find the prime factorization of 42. 42 = 2 × 3 × 7.

Find the prime factorization of 70. 70 = 2 × 5 × 7.

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM: LCM = 2 × 3 × 5 × 7.

LCM = 210.

Answer 2

Answer:

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