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What is the Least Common Multiple of 71571 and 71591?

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 71571 and 71591 is 5123839461.

LCM(71571,71591) = 5123839461

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Least Common Multiple of 71571 and 71591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71571 and 71591, than apply into the LCM equation.

GCF(71571,71591) = 1
LCM(71571,71591) = ( 71571 × 71591) / 1
LCM(71571,71591) = 5123839461 / 1
LCM(71571,71591) = 5123839461

Least Common Multiple (LCM) of 71571 and 71591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71571 and 71591. First we will calculate the prime factors of 71571 and 71591.

Prime Factorization of 71571

Prime factors of 71571 are 3, 23857. Prime factorization of 71571 in exponential form is:

71571 = 31 × 238571

Prime Factorization of 71591

Prime factors of 71591 are 13, 5507. Prime factorization of 71591 in exponential form is:

71591 = 131 × 55071

Now multiplying the highest exponent prime factors to calculate the LCM of 71571 and 71591.

LCM(71571,71591) = 31 × 238571 × 131 × 55071
LCM(71571,71591) = 5123839461