Solutions by everydaycalculation.com

The lcm of 80 and 28 is 560.

- Find the prime factorization of 80

80 = 2 × 2 × 2 × 2 × 5 - Find the prime factorization of 28

28 = 2 × 2 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2 × 2 × 2 × 2 × 5 × 7 - LCM =
**560**

Find least common multiple (lcm) of: 160 & 56 40 & 14 240 & 84 400 & 140 560 & 196 160 & 28 80 & 56 240 & 28 80 & 84 400 & 28 80 & 140 560 & 28 80 & 196

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