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What is the Least Common Multiple of 28085 and 28099?

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 28085 and 28099 is 789160415.

LCM(28085,28099) = 789160415

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Least Common Multiple of 28085 and 28099 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28085 and 28099, than apply into the LCM equation.

GCF(28085,28099) = 1
LCM(28085,28099) = ( 28085 × 28099) / 1
LCM(28085,28099) = 789160415 / 1
LCM(28085,28099) = 789160415

Least Common Multiple (LCM) of 28085 and 28099 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28085 and 28099. First we will calculate the prime factors of 28085 and 28099.

Prime Factorization of 28085

Prime factors of 28085 are 5, 41, 137. Prime factorization of 28085 in exponential form is:

28085 = 51 × 411 × 1371

Prime Factorization of 28099

Prime factors of 28099 are 28099. Prime factorization of 28099 in exponential form is:

28099 = 280991

Now multiplying the highest exponent prime factors to calculate the LCM of 28085 and 28099.

LCM(28085,28099) = 51 × 411 × 1371 × 280991
LCM(28085,28099) = 789160415