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What is the Least Common Multiple of 85857 and 85870?

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 85857 and 85870 is 7372540590.

LCM(85857,85870) = 7372540590

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Least Common Multiple of 85857 and 85870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85857 and 85870, than apply into the LCM equation.

GCF(85857,85870) = 1
LCM(85857,85870) = ( 85857 × 85870) / 1
LCM(85857,85870) = 7372540590 / 1
LCM(85857,85870) = 7372540590

Least Common Multiple (LCM) of 85857 and 85870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85857 and 85870. First we will calculate the prime factors of 85857 and 85870.

Prime Factorization of 85857

Prime factors of 85857 are 3, 28619. Prime factorization of 85857 in exponential form is:

85857 = 31 × 286191

Prime Factorization of 85870

Prime factors of 85870 are 2, 5, 31, 277. Prime factorization of 85870 in exponential form is:

85870 = 21 × 51 × 311 × 2771

Now multiplying the highest exponent prime factors to calculate the LCM of 85857 and 85870.

LCM(85857,85870) = 31 × 286191 × 21 × 51 × 311 × 2771
LCM(85857,85870) = 7372540590