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What is the Least Common Multiple of 2631 and 2643?

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 2643 is 2317911.

LCM(2631,2643) = 2317911

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Least Common Multiple of 2631 and 2643 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 2643, than apply into the LCM equation.

GCF(2631,2643) = 3
LCM(2631,2643) = ( 2631 × 2643) / 3
LCM(2631,2643) = 6953733 / 3
LCM(2631,2643) = 2317911

Least Common Multiple (LCM) of 2631 and 2643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2631 and 2643. First we will calculate the prime factors of 2631 and 2643.

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 2643

Prime factors of 2643 are 3, 881. Prime factorization of 2643 in exponential form is:

2643 = 31 × 8811

Now multiplying the highest exponent prime factors to calculate the LCM of 2631 and 2643.

LCM(2631,2643) = 31 × 8771 × 8811
LCM(2631,2643) = 2317911