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What is the Least Common Multiple of 57581 and 57585?

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 57581 and 57585 is 3315801885.

LCM(57581,57585) = 3315801885

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Least Common Multiple of 57581 and 57585 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57581 and 57585, than apply into the LCM equation.

GCF(57581,57585) = 1
LCM(57581,57585) = ( 57581 × 57585) / 1
LCM(57581,57585) = 3315801885 / 1
LCM(57581,57585) = 3315801885

Least Common Multiple (LCM) of 57581 and 57585 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57581 and 57585. First we will calculate the prime factors of 57581 and 57585.

Prime Factorization of 57581

Prime factors of 57581 are 71, 811. Prime factorization of 57581 in exponential form is:

57581 = 711 × 8111

Prime Factorization of 57585

Prime factors of 57585 are 3, 5, 11, 349. Prime factorization of 57585 in exponential form is:

57585 = 31 × 51 × 111 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 57581 and 57585.

LCM(57581,57585) = 711 × 8111 × 31 × 51 × 111 × 3491
LCM(57581,57585) = 3315801885