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What is the Least Common Multiple of 43581 and 43591?

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 43581 and 43591 is 1899739371.

LCM(43581,43591) = 1899739371

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Least Common Multiple of 43581 and 43591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43581 and 43591, than apply into the LCM equation.

GCF(43581,43591) = 1
LCM(43581,43591) = ( 43581 × 43591) / 1
LCM(43581,43591) = 1899739371 / 1
LCM(43581,43591) = 1899739371

Least Common Multiple (LCM) of 43581 and 43591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43581 and 43591. First we will calculate the prime factors of 43581 and 43591.

Prime Factorization of 43581

Prime factors of 43581 are 3, 73, 199. Prime factorization of 43581 in exponential form is:

43581 = 31 × 731 × 1991

Prime Factorization of 43591

Prime factors of 43591 are 43591. Prime factorization of 43591 in exponential form is:

43591 = 435911

Now multiplying the highest exponent prime factors to calculate the LCM of 43581 and 43591.

LCM(43581,43591) = 31 × 731 × 1991 × 435911
LCM(43581,43591) = 1899739371