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What is the Least Common Multiple of 39855 and 39874?

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 39855 and 39874 is 1589178270.

LCM(39855,39874) = 1589178270

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Least Common Multiple of 39855 and 39874 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39855 and 39874, than apply into the LCM equation.

GCF(39855,39874) = 1
LCM(39855,39874) = ( 39855 × 39874) / 1
LCM(39855,39874) = 1589178270 / 1
LCM(39855,39874) = 1589178270

Least Common Multiple (LCM) of 39855 and 39874 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39855 and 39874. First we will calculate the prime factors of 39855 and 39874.

Prime Factorization of 39855

Prime factors of 39855 are 3, 5, 2657. Prime factorization of 39855 in exponential form is:

39855 = 31 × 51 × 26571

Prime Factorization of 39874

Prime factors of 39874 are 2, 19937. Prime factorization of 39874 in exponential form is:

39874 = 21 × 199371

Now multiplying the highest exponent prime factors to calculate the LCM of 39855 and 39874.

LCM(39855,39874) = 31 × 51 × 26571 × 21 × 199371
LCM(39855,39874) = 1589178270