Question

find the LCM of inspection for 140 and 210

Answer 1

Step-by-step explanation:

The LCM of 140 and 210 is 420.

Steps to find LCM

Find the prime factorization of 140

140 = 2 × 2 × 5 × 7

Find the prime factorization of 210

210 = 2 × 3 × 5 × 7

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 3 × 5 × 7

LCM = 420

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