What is the Least Common Multiple of 116 and 124?

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.

Least common multiple (LCM) of 116 and 124 is 3596.

LCM(116,124) = 3596

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Least Common Multiple of 116 and 124 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 116 and 124, than apply into the LCM equation.

GCF(116,124) = 4
LCM(116,124) = ( 116 × 124) / 4
LCM(116,124) = 14384 / 4
LCM(116,124) = 3596

Least Common Multiple (LCM) of 116 and 124 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 116 and 124. First we will calculate the prime factors of 116 and 124.

Prime Factorization of 116

Prime factors of 116 are 2, 29. Prime factorization of 116 in exponential form is:

116 = 22 × 291

Prime Factorization of 124

Prime factors of 124 are 2, 31. Prime factorization of 124 in exponential form is:

124 = 22 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 116 and 124.

LCM(116,124) = 22 × 291 × 311
LCM(116,124) = 3596