Solutions by everydaycalculation.com

The LCM of 81 and 4200 is 113400.

- Find the prime factorization of 81

81 = 3 × 3 × 3 × 3 - Find the prime factorization of 4200

4200 = 2 × 2 × 2 × 3 × 5 × 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 × 3 × 3 × 3 × 3 × 5 × 5 × 7 - LCM =
**113400**

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Find least common multiple (LCM) of: 162 & 8400 27 & 1400 162 & 4200 81 & 8400 243 & 4200 405 & 4200 567 & 4200

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