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What is the Least Common Multiple of 78868 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 78868 and 78874 is 3110317316.

LCM(78868,78874) = 3110317316

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Least Common Multiple of 78868 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 78868 and 78874, than apply into the LCM equation.

GCF(78868,78874) = 2
LCM(78868,78874) = ( 78868 × 78874) / 2
LCM(78868,78874) = 6220634632 / 2
LCM(78868,78874) = 3110317316

Least Common Multiple (LCM) of 78868 and 78874 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78868 and 78874. First we will calculate the prime factors of 78868 and 78874.

Prime Factorization of 78868

Prime factors of 78868 are 2, 19717. Prime factorization of 78868 in exponential form is:

78868 = 22 × 197171

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 78868 and 78874.

LCM(78868,78874) = 22 × 197171 × 1131 × 3491
LCM(78868,78874) = 3110317316