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What is the Least Common Multiple of 72687 and 72697?

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 72687 and 72697 is 5284126839.

LCM(72687,72697) = 5284126839

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Least Common Multiple of 72687 and 72697 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72687 and 72697, than apply into the LCM equation.

GCF(72687,72697) = 1
LCM(72687,72697) = ( 72687 × 72697) / 1
LCM(72687,72697) = 5284126839 / 1
LCM(72687,72697) = 5284126839

Least Common Multiple (LCM) of 72687 and 72697 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72687 and 72697. First we will calculate the prime factors of 72687 and 72697.

Prime Factorization of 72687

Prime factors of 72687 are 3, 24229. Prime factorization of 72687 in exponential form is:

72687 = 31 × 242291

Prime Factorization of 72697

Prime factors of 72697 are 139, 523. Prime factorization of 72697 in exponential form is:

72697 = 1391 × 5231

Now multiplying the highest exponent prime factors to calculate the LCM of 72687 and 72697.

LCM(72687,72697) = 31 × 242291 × 1391 × 5231
LCM(72687,72697) = 5284126839