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What is the Least Common Multiple of 78857 and 78874?

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 78857 and 78874 is 6219767018.

LCM(78857,78874) = 6219767018

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Least Common Multiple of 78857 and 78874 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78857 and 78874, than apply into the LCM equation.

GCF(78857,78874) = 1
LCM(78857,78874) = ( 78857 × 78874) / 1
LCM(78857,78874) = 6219767018 / 1
LCM(78857,78874) = 6219767018

Least Common Multiple (LCM) of 78857 and 78874 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78857 and 78874. First we will calculate the prime factors of 78857 and 78874.

Prime Factorization of 78857

Prime factors of 78857 are 78857. Prime factorization of 78857 in exponential form is:

78857 = 788571

Prime Factorization of 78874

Prime factors of 78874 are 2, 113, 349. Prime factorization of 78874 in exponential form is:

78874 = 21 × 1131 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 78857 and 78874.

LCM(78857,78874) = 788571 × 21 × 1131 × 3491
LCM(78857,78874) = 6219767018