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What is the Least Common Multiple of 717 and 724?

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 717 and 724 is 519108.

LCM(717,724) = 519108

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Least Common Multiple of 717 and 724 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 717 and 724, than apply into the LCM equation.

GCF(717,724) = 1
LCM(717,724) = ( 717 × 724) / 1
LCM(717,724) = 519108 / 1
LCM(717,724) = 519108

Least Common Multiple (LCM) of 717 and 724 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 717 and 724. First we will calculate the prime factors of 717 and 724.

Prime Factorization of 717

Prime factors of 717 are 3, 239. Prime factorization of 717 in exponential form is:

717 = 31 × 2391

Prime Factorization of 724

Prime factors of 724 are 2, 181. Prime factorization of 724 in exponential form is:

724 = 22 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 717 and 724.

LCM(717,724) = 31 × 2391 × 22 × 1811
LCM(717,724) = 519108