Solutions by everydaycalculation.com

The lcm of 70 and 343 is 3430.

- Find the prime factorization of 70

70 = 2 × 5 × 7 - Find the prime factorization of 343

343 = 7 × 7 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2 × 5 × 7 × 7 × 7 - LCM =
**3430**

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Find least common multiple (lcm) of: 140 & 686 210 & 1029 350 & 1715 490 & 2401 10 & 49 140 & 343 70 & 686 210 & 343 70 & 1029 350 & 343 70 & 1715 490 & 343 70 & 2401

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