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What is the Least Common Multiple of 2641 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 2641 and 2646 is 6988086.

LCM(2641,2646) = 6988086

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Least Common Multiple of 2641 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 2641 and 2646, than apply into the LCM equation.

GCF(2641,2646) = 1
LCM(2641,2646) = ( 2641 × 2646) / 1
LCM(2641,2646) = 6988086 / 1
LCM(2641,2646) = 6988086

Least Common Multiple (LCM) of 2641 and 2646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2641 and 2646. First we will calculate the prime factors of 2641 and 2646.

Prime Factorization of 2641

Prime factors of 2641 are 19, 139. Prime factorization of 2641 in exponential form is:

2641 = 191 × 1391

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 2641 and 2646.

LCM(2641,2646) = 191 × 1391 × 21 × 33 × 72
LCM(2641,2646) = 6988086