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What is the Least Common Multiple of 42599 and 42618?

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 42599 and 42618 is 1815484182.

LCM(42599,42618) = 1815484182

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Least Common Multiple of 42599 and 42618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42599 and 42618, than apply into the LCM equation.

GCF(42599,42618) = 1
LCM(42599,42618) = ( 42599 × 42618) / 1
LCM(42599,42618) = 1815484182 / 1
LCM(42599,42618) = 1815484182

Least Common Multiple (LCM) of 42599 and 42618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42599 and 42618. First we will calculate the prime factors of 42599 and 42618.

Prime Factorization of 42599

Prime factors of 42599 are 41, 1039. Prime factorization of 42599 in exponential form is:

42599 = 411 × 10391

Prime Factorization of 42618

Prime factors of 42618 are 2, 3, 7103. Prime factorization of 42618 in exponential form is:

42618 = 21 × 31 × 71031

Now multiplying the highest exponent prime factors to calculate the LCM of 42599 and 42618.

LCM(42599,42618) = 411 × 10391 × 21 × 31 × 71031
LCM(42599,42618) = 1815484182