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What is the Least Common Multiple of 2631 and 2646?

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 2631 and 2646 is 2320542.

LCM(2631,2646) = 2320542

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Least Common Multiple of 2631 and 2646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2631 and 2646, than apply into the LCM equation.

GCF(2631,2646) = 3
LCM(2631,2646) = ( 2631 × 2646) / 3
LCM(2631,2646) = 6961626 / 3
LCM(2631,2646) = 2320542

Least Common Multiple (LCM) of 2631 and 2646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2631 and 2646. First we will calculate the prime factors of 2631 and 2646.

Prime Factorization of 2631

Prime factors of 2631 are 3, 877. Prime factorization of 2631 in exponential form is:

2631 = 31 × 8771

Prime Factorization of 2646

Prime factors of 2646 are 2, 3, 7. Prime factorization of 2646 in exponential form is:

2646 = 21 × 33 × 72

Now multiplying the highest exponent prime factors to calculate the LCM of 2631 and 2646.

LCM(2631,2646) = 33 × 8771 × 21 × 72
LCM(2631,2646) = 2320542