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What is the Least Common Multiple of 111 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 111 and 124 is 13764.

LCM(111,124) = 13764

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Least Common Multiple of 111 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 111 and 124, than apply into the LCM equation.

GCF(111,124) = 1
LCM(111,124) = ( 111 × 124) / 1
LCM(111,124) = 13764 / 1
LCM(111,124) = 13764

Least Common Multiple (LCM) of 111 and 124 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 111 and 124. First we will calculate the prime factors of 111 and 124.

Prime Factorization of 111

Prime factors of 111 are 3, 37. Prime factorization of 111 in exponential form is:

111 = 31 × 371

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 111 and 124.

LCM(111,124) = 31 × 371 × 22 × 311
LCM(111,124) = 13764

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