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What is the Least Common Multiple of 85564 and 85581?

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 85564 and 85581 is 7322652684.

LCM(85564,85581) = 7322652684

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Least Common Multiple of 85564 and 85581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85564 and 85581, than apply into the LCM equation.

GCF(85564,85581) = 1
LCM(85564,85581) = ( 85564 × 85581) / 1
LCM(85564,85581) = 7322652684 / 1
LCM(85564,85581) = 7322652684

Least Common Multiple (LCM) of 85564 and 85581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85564 and 85581. First we will calculate the prime factors of 85564 and 85581.

Prime Factorization of 85564

Prime factors of 85564 are 2, 21391. Prime factorization of 85564 in exponential form is:

85564 = 22 × 213911

Prime Factorization of 85581

Prime factors of 85581 are 3, 37, 257. Prime factorization of 85581 in exponential form is:

85581 = 32 × 371 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 85564 and 85581.

LCM(85564,85581) = 22 × 213911 × 32 × 371 × 2571
LCM(85564,85581) = 7322652684