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What is the Least Common Multiple of 56570 and 56581?

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 56570 and 56581 is 3200787170.

LCM(56570,56581) = 3200787170

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Least Common Multiple of 56570 and 56581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56570 and 56581, than apply into the LCM equation.

GCF(56570,56581) = 1
LCM(56570,56581) = ( 56570 × 56581) / 1
LCM(56570,56581) = 3200787170 / 1
LCM(56570,56581) = 3200787170

Least Common Multiple (LCM) of 56570 and 56581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56570 and 56581. First we will calculate the prime factors of 56570 and 56581.

Prime Factorization of 56570

Prime factors of 56570 are 2, 5, 5657. Prime factorization of 56570 in exponential form is:

56570 = 21 × 51 × 56571

Prime Factorization of 56581

Prime factors of 56581 are 7, 59, 137. Prime factorization of 56581 in exponential form is:

56581 = 71 × 591 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 56570 and 56581.

LCM(56570,56581) = 21 × 51 × 56571 × 71 × 591 × 1371
LCM(56570,56581) = 3200787170