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What is the Least Common Multiple of 2564 and 2581?

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 2564 and 2581 is 6617684.

LCM(2564,2581) = 6617684

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Least Common Multiple of 2564 and 2581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2564 and 2581, than apply into the LCM equation.

GCF(2564,2581) = 1
LCM(2564,2581) = ( 2564 × 2581) / 1
LCM(2564,2581) = 6617684 / 1
LCM(2564,2581) = 6617684

Least Common Multiple (LCM) of 2564 and 2581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2564 and 2581. First we will calculate the prime factors of 2564 and 2581.

Prime Factorization of 2564

Prime factors of 2564 are 2, 641. Prime factorization of 2564 in exponential form is:

2564 = 22 × 6411

Prime Factorization of 2581

Prime factors of 2581 are 29, 89. Prime factorization of 2581 in exponential form is:

2581 = 291 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 2564 and 2581.

LCM(2564,2581) = 22 × 6411 × 291 × 891
LCM(2564,2581) = 6617684