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What is the Least Common Multiple of 15576 and 15591?

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 15576 and 15591 is 80948472.

LCM(15576,15591) = 80948472

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Least Common Multiple of 15576 and 15591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15576 and 15591, than apply into the LCM equation.

GCF(15576,15591) = 3
LCM(15576,15591) = ( 15576 × 15591) / 3
LCM(15576,15591) = 242845416 / 3
LCM(15576,15591) = 80948472

Least Common Multiple (LCM) of 15576 and 15591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15576 and 15591. First we will calculate the prime factors of 15576 and 15591.

Prime Factorization of 15576

Prime factors of 15576 are 2, 3, 11, 59. Prime factorization of 15576 in exponential form is:

15576 = 23 × 31 × 111 × 591

Prime Factorization of 15591

Prime factors of 15591 are 3, 5197. Prime factorization of 15591 in exponential form is:

15591 = 31 × 51971

Now multiplying the highest exponent prime factors to calculate the LCM of 15576 and 15591.

LCM(15576,15591) = 23 × 31 × 111 × 591 × 51971
LCM(15576,15591) = 80948472