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What is the Least Common Multiple of 857 and 875?

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 857 and 875 is 749875.

LCM(857,875) = 749875

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Least Common Multiple of 857 and 875 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 857 and 875, than apply into the LCM equation.

GCF(857,875) = 1
LCM(857,875) = ( 857 × 875) / 1
LCM(857,875) = 749875 / 1
LCM(857,875) = 749875

Least Common Multiple (LCM) of 857 and 875 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 857 and 875. First we will calculate the prime factors of 857 and 875.

Prime Factorization of 857

Prime factors of 857 are 857. Prime factorization of 857 in exponential form is:

857 = 8571

Prime Factorization of 875

Prime factors of 875 are 5, 7. Prime factorization of 875 in exponential form is:

875 = 53 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 857 and 875.

LCM(857,875) = 8571 × 53 × 71
LCM(857,875) = 749875