Solutions by everydaycalculation.com

The lcm of 70 and 30 is 210.

- Find the prime factorization of 70

70 = 2 × 5 × 7 - Find the prime factorization of 30

30 = 2 × 3 × 5 - 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**

Find least common multiple (lcm) of: 140 & 60 35 & 15 210 & 90 350 & 150 14 & 6 490 & 210 140 & 30 70 & 60 210 & 30 70 & 90 350 & 30 70 & 150 490 & 30 70 & 210

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