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What is the Least Common Multiple of 609 and 617?

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 609 and 617 is 375753.

LCM(609,617) = 375753

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Least Common Multiple of 609 and 617 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 609 and 617, than apply into the LCM equation.

GCF(609,617) = 1
LCM(609,617) = ( 609 × 617) / 1
LCM(609,617) = 375753 / 1
LCM(609,617) = 375753

Least Common Multiple (LCM) of 609 and 617 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 609 and 617. First we will calculate the prime factors of 609 and 617.

Prime Factorization of 609

Prime factors of 609 are 3, 7, 29. Prime factorization of 609 in exponential form is:

609 = 31 × 71 × 291

Prime Factorization of 617

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

617 = 6171

Now multiplying the highest exponent prime factors to calculate the LCM of 609 and 617.

LCM(609,617) = 31 × 71 × 291 × 6171
LCM(609,617) = 375753