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What is the Least Common Multiple of 617 and 627?

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 617 and 627 is 386859.

LCM(617,627) = 386859

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Least Common Multiple of 617 and 627 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 617 and 627, than apply into the LCM equation.

GCF(617,627) = 1
LCM(617,627) = ( 617 × 627) / 1
LCM(617,627) = 386859 / 1
LCM(617,627) = 386859

Least Common Multiple (LCM) of 617 and 627 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 617 and 627. First we will calculate the prime factors of 617 and 627.

Prime Factorization of 617

Prime factors of 617 are 617. Prime factorization of 617 in exponential form is:

617 = 6171

Prime Factorization of 627

Prime factors of 627 are 3, 11, 19. Prime factorization of 627 in exponential form is:

627 = 31 × 111 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 617 and 627.

LCM(617,627) = 6171 × 31 × 111 × 191
LCM(617,627) = 386859