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What is the Least Common Multiple of 39838 and 39857?

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 39838 and 39857 is 1587823166.

LCM(39838,39857) = 1587823166

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Least Common Multiple of 39838 and 39857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39838 and 39857, than apply into the LCM equation.

GCF(39838,39857) = 1
LCM(39838,39857) = ( 39838 × 39857) / 1
LCM(39838,39857) = 1587823166 / 1
LCM(39838,39857) = 1587823166

Least Common Multiple (LCM) of 39838 and 39857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39838 and 39857. First we will calculate the prime factors of 39838 and 39857.

Prime Factorization of 39838

Prime factors of 39838 are 2, 19919. Prime factorization of 39838 in exponential form is:

39838 = 21 × 199191

Prime Factorization of 39857

Prime factors of 39857 are 39857. Prime factorization of 39857 in exponential form is:

39857 = 398571

Now multiplying the highest exponent prime factors to calculate the LCM of 39838 and 39857.

LCM(39838,39857) = 21 × 199191 × 398571
LCM(39838,39857) = 1587823166