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What is the Least Common Multiple of 56631 and 56638?

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 56631 and 56638 is 3207466578.

LCM(56631,56638) = 3207466578

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Least Common Multiple of 56631 and 56638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56631 and 56638, than apply into the LCM equation.

GCF(56631,56638) = 1
LCM(56631,56638) = ( 56631 × 56638) / 1
LCM(56631,56638) = 3207466578 / 1
LCM(56631,56638) = 3207466578

Least Common Multiple (LCM) of 56631 and 56638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56631 and 56638. First we will calculate the prime factors of 56631 and 56638.

Prime Factorization of 56631

Prime factors of 56631 are 3, 43, 439. Prime factorization of 56631 in exponential form is:

56631 = 31 × 431 × 4391

Prime Factorization of 56638

Prime factors of 56638 are 2, 28319. Prime factorization of 56638 in exponential form is:

56638 = 21 × 283191

Now multiplying the highest exponent prime factors to calculate the LCM of 56631 and 56638.

LCM(56631,56638) = 31 × 431 × 4391 × 21 × 283191
LCM(56631,56638) = 3207466578