Solutions by everydaycalculation.com

The LCM of 34 and 40 is 680.

- Find the prime factorization of 34

34 = 2 × 17 - Find the prime factorization of 40

40 = 2 × 2 × 2 × 5 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 2 × 5 × 17 - LCM =
**680**

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Find least common multiple (LCM) of: 68 & 80 17 & 20 102 & 120 170 & 200 238 & 280 68 & 40 34 & 80 102 & 40 34 & 120 170 & 40 34 & 200 238 & 40 34 & 280

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