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What is the Least Common Multiple of 86865 and 86874?

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 86865 and 86874 is 2515436670.

LCM(86865,86874) = 2515436670

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Least Common Multiple of 86865 and 86874 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86865 and 86874, than apply into the LCM equation.

GCF(86865,86874) = 3
LCM(86865,86874) = ( 86865 × 86874) / 3
LCM(86865,86874) = 7546310010 / 3
LCM(86865,86874) = 2515436670

Least Common Multiple (LCM) of 86865 and 86874 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86865 and 86874. First we will calculate the prime factors of 86865 and 86874.

Prime Factorization of 86865

Prime factors of 86865 are 3, 5, 5791. Prime factorization of 86865 in exponential form is:

86865 = 31 × 51 × 57911

Prime Factorization of 86874

Prime factors of 86874 are 2, 3, 14479. Prime factorization of 86874 in exponential form is:

86874 = 21 × 31 × 144791

Now multiplying the highest exponent prime factors to calculate the LCM of 86865 and 86874.

LCM(86865,86874) = 31 × 51 × 57911 × 21 × 144791
LCM(86865,86874) = 2515436670