Solutions by everydaycalculation.com

The lcm of 42 and 8 is 168.

- Find the prime factorization of 42

42 = 2 × 3 × 7 - Find the prime factorization of 8

8 = 2 × 2 × 2 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2 × 2 × 2 × 3 × 7 - LCM =
**168**

Find least common multiple (lcm) of: 84 & 16 21 & 4 126 & 24 210 & 40 294 & 56 84 & 8 42 & 16 126 & 8 42 & 24 210 & 8 42 & 40 294 & 8 42 & 56

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