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What is the Least Common Multiple of 91580 and 91591?

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 91580 and 91591 is 8387903780.

LCM(91580,91591) = 8387903780

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Least Common Multiple of 91580 and 91591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91580 and 91591, than apply into the LCM equation.

GCF(91580,91591) = 1
LCM(91580,91591) = ( 91580 × 91591) / 1
LCM(91580,91591) = 8387903780 / 1
LCM(91580,91591) = 8387903780

Least Common Multiple (LCM) of 91580 and 91591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91580 and 91591. First we will calculate the prime factors of 91580 and 91591.

Prime Factorization of 91580

Prime factors of 91580 are 2, 5, 19, 241. Prime factorization of 91580 in exponential form is:

91580 = 22 × 51 × 191 × 2411

Prime Factorization of 91591

Prime factors of 91591 are 91591. Prime factorization of 91591 in exponential form is:

91591 = 915911

Now multiplying the highest exponent prime factors to calculate the LCM of 91580 and 91591.

LCM(91580,91591) = 22 × 51 × 191 × 2411 × 915911
LCM(91580,91591) = 8387903780