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What is the Least Common Multiple of 72581 and 72589?

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 72581 and 72589 is 5268582209.

LCM(72581,72589) = 5268582209

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Least Common Multiple of 72581 and 72589 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72581 and 72589, than apply into the LCM equation.

GCF(72581,72589) = 1
LCM(72581,72589) = ( 72581 × 72589) / 1
LCM(72581,72589) = 5268582209 / 1
LCM(72581,72589) = 5268582209

Least Common Multiple (LCM) of 72581 and 72589 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72581 and 72589. First we will calculate the prime factors of 72581 and 72589.

Prime Factorization of 72581

Prime factors of 72581 are 181, 401. Prime factorization of 72581 in exponential form is:

72581 = 1811 × 4011

Prime Factorization of 72589

Prime factors of 72589 are 11, 6599. Prime factorization of 72589 in exponential form is:

72589 = 111 × 65991

Now multiplying the highest exponent prime factors to calculate the LCM of 72581 and 72589.

LCM(72581,72589) = 1811 × 4011 × 111 × 65991
LCM(72581,72589) = 5268582209