Solutions by everydaycalculation.com

The LCM of 9 and 11 is 99.

- Find the prime factorization of 9

9 = 3 × 3 - Find the prime factorization of 11

11 = 11 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 3 × 3 × 11 - LCM =
**99**

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Find least common multiple (LCM) of: 18 & 22 27 & 33 45 & 55 63 & 77 18 & 11 9 & 22 27 & 11 9 & 33 45 & 11 9 & 55 63 & 11 9 & 77

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