Question

What is the least common multiple of 12 and 7?

Answer 1

The least common multiple of 12 and 7 is 84.

Explanation:

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Answer 2

`12 = 2 * 3 * 2 \\ 7 = 7 * 1 \\ \\ = 2 * 2 * 3 * 7 * 1 \\ = 84`

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