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What is the Least Common Multiple of 77564 and 77581?

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 77564 and 77581 is 6017492684.

LCM(77564,77581) = 6017492684

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Least Common Multiple of 77564 and 77581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77564 and 77581, than apply into the LCM equation.

GCF(77564,77581) = 1
LCM(77564,77581) = ( 77564 × 77581) / 1
LCM(77564,77581) = 6017492684 / 1
LCM(77564,77581) = 6017492684

Least Common Multiple (LCM) of 77564 and 77581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77564 and 77581. First we will calculate the prime factors of 77564 and 77581.

Prime Factorization of 77564

Prime factors of 77564 are 2, 19391. Prime factorization of 77564 in exponential form is:

77564 = 22 × 193911

Prime Factorization of 77581

Prime factors of 77581 are 7, 11083. Prime factorization of 77581 in exponential form is:

77581 = 71 × 110831

Now multiplying the highest exponent prime factors to calculate the LCM of 77564 and 77581.

LCM(77564,77581) = 22 × 193911 × 71 × 110831
LCM(77564,77581) = 6017492684