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What is the Least Common Multiple of 85609 and 85618?

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 85609 and 85618 is 7329671362.

LCM(85609,85618) = 7329671362

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Least Common Multiple of 85609 and 85618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85609 and 85618, than apply into the LCM equation.

GCF(85609,85618) = 1
LCM(85609,85618) = ( 85609 × 85618) / 1
LCM(85609,85618) = 7329671362 / 1
LCM(85609,85618) = 7329671362

Least Common Multiple (LCM) of 85609 and 85618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85609 and 85618. First we will calculate the prime factors of 85609 and 85618.

Prime Factorization of 85609

Prime factors of 85609 are 59, 1451. Prime factorization of 85609 in exponential form is:

85609 = 591 × 14511

Prime Factorization of 85618

Prime factors of 85618 are 2, 13, 37, 89. Prime factorization of 85618 in exponential form is:

85618 = 21 × 131 × 371 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 85609 and 85618.

LCM(85609,85618) = 591 × 14511 × 21 × 131 × 371 × 891
LCM(85609,85618) = 7329671362