Q: What is the LCM of 42 21 and 31?

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Their product.

The least common multiple (LCM) of 21 and 42 is 42.

Th LCM of 21 and 42 is: 42

The LCM is 42

The LCM is 252.

The LCM of 42, 23, 31, 19 is: 568,974.

LCM for 14 and 21 is 42.

Since 42 is a multiple of 21, it is automatically the LCM.

LCM(21, 42, 18) = 126

The LCM is: 42

LCM(21, 28, 42) = 84

The LCM is 42.