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What is the Least Common Multiple of 72599 and 72618?

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 72599 and 72618 is 277473378.

LCM(72599,72618) = 277473378

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Least Common Multiple of 72599 and 72618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72599 and 72618, than apply into the LCM equation.

GCF(72599,72618) = 19
LCM(72599,72618) = ( 72599 × 72618) / 19
LCM(72599,72618) = 5271994182 / 19
LCM(72599,72618) = 277473378

Least Common Multiple (LCM) of 72599 and 72618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72599 and 72618. First we will calculate the prime factors of 72599 and 72618.

Prime Factorization of 72599

Prime factors of 72599 are 19, 3821. Prime factorization of 72599 in exponential form is:

72599 = 191 × 38211

Prime Factorization of 72618

Prime factors of 72618 are 2, 3, 7, 13, 19. Prime factorization of 72618 in exponential form is:

72618 = 21 × 31 × 72 × 131 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 72599 and 72618.

LCM(72599,72618) = 191 × 38211 × 21 × 31 × 72 × 131
LCM(72599,72618) = 277473378