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What is the Least Common Multiple of 4124 and 4142?

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 4124 and 4142 is 8540804.

LCM(4124,4142) = 8540804

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Least Common Multiple of 4124 and 4142 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4124 and 4142, than apply into the LCM equation.

GCF(4124,4142) = 2
LCM(4124,4142) = ( 4124 × 4142) / 2
LCM(4124,4142) = 17081608 / 2
LCM(4124,4142) = 8540804

Least Common Multiple (LCM) of 4124 and 4142 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4124 and 4142. First we will calculate the prime factors of 4124 and 4142.

Prime Factorization of 4124

Prime factors of 4124 are 2, 1031. Prime factorization of 4124 in exponential form is:

4124 = 22 × 10311

Prime Factorization of 4142

Prime factors of 4142 are 2, 19, 109. Prime factorization of 4142 in exponential form is:

4142 = 21 × 191 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 4124 and 4142.

LCM(4124,4142) = 22 × 10311 × 191 × 1091
LCM(4124,4142) = 8540804