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What is the Least Common Multiple of 86858 and 86865?

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 86858 and 86865 is 7544920170.

LCM(86858,86865) = 7544920170

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Least Common Multiple of 86858 and 86865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86858 and 86865, than apply into the LCM equation.

GCF(86858,86865) = 1
LCM(86858,86865) = ( 86858 × 86865) / 1
LCM(86858,86865) = 7544920170 / 1
LCM(86858,86865) = 7544920170

Least Common Multiple (LCM) of 86858 and 86865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86858 and 86865. First we will calculate the prime factors of 86858 and 86865.

Prime Factorization of 86858

Prime factors of 86858 are 2, 137, 317. Prime factorization of 86858 in exponential form is:

86858 = 21 × 1371 × 3171

Prime Factorization of 86865

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

86865 = 31 × 51 × 57911

Now multiplying the highest exponent prime factors to calculate the LCM of 86858 and 86865.

LCM(86858,86865) = 21 × 1371 × 3171 × 31 × 51 × 57911
LCM(86858,86865) = 7544920170