Solutions by everydaycalculation.com

The LCM of 81 and 1680 is 45360.

- Find the prime factorization of 81

81 = 3 × 3 × 3 × 3 - Find the prime factorization of 1680

1680 = 2 × 2 × 2 × 2 × 3 × 5 × 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 × 3 × 3 × 3 × 3 × 5 × 7 - LCM =
**45360**

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Find least common multiple (LCM) of: 162 & 3360 243 & 5040 27 & 560 405 & 8400 162 & 1680 81 & 3360 243 & 1680 81 & 5040 405 & 1680 81 & 8400 567 & 1680

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