Question

find the LCM of 84 , 126 and288 by prime factorization​

Answer 1

Answer:

252

step by step explanation:

Find the prime factorization of 84

84 = 2 × 2 × 3 × 7

Find the prime factorization of 126

126 = 2 × 3 × 3 × 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 × 3 × 7

LCM = 252

Answer 2

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