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What is the Least Common Multiple of 39862 and 39872?

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 39862 and 39872 is 794688832.

LCM(39862,39872) = 794688832

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Least Common Multiple of 39862 and 39872 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39862 and 39872, than apply into the LCM equation.

GCF(39862,39872) = 2
LCM(39862,39872) = ( 39862 × 39872) / 2
LCM(39862,39872) = 1589377664 / 2
LCM(39862,39872) = 794688832

Least Common Multiple (LCM) of 39862 and 39872 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39862 and 39872. First we will calculate the prime factors of 39862 and 39872.

Prime Factorization of 39862

Prime factors of 39862 are 2, 19, 1049. Prime factorization of 39862 in exponential form is:

39862 = 21 × 191 × 10491

Prime Factorization of 39872

Prime factors of 39872 are 2, 7, 89. Prime factorization of 39872 in exponential form is:

39872 = 26 × 71 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 39862 and 39872.

LCM(39862,39872) = 26 × 191 × 10491 × 71 × 891
LCM(39862,39872) = 794688832