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What is the Least Common Multiple of 571 and 591?

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 571 and 591 is 337461.

LCM(571,591) = 337461

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Least Common Multiple of 571 and 591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 571 and 591, than apply into the LCM equation.

GCF(571,591) = 1
LCM(571,591) = ( 571 × 591) / 1
LCM(571,591) = 337461 / 1
LCM(571,591) = 337461

Least Common Multiple (LCM) of 571 and 591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 571 and 591. First we will calculate the prime factors of 571 and 591.

Prime Factorization of 571

Prime factors of 571 are 571. Prime factorization of 571 in exponential form is:

571 = 5711

Prime Factorization of 591

Prime factors of 591 are 3, 197. Prime factorization of 591 in exponential form is:

591 = 31 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 571 and 591.

LCM(571,591) = 5711 × 31 × 1971
LCM(571,591) = 337461