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What is the Least Common Multiple of 27891 and 27900?

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 27891 and 27900 is 86462100.

LCM(27891,27900) = 86462100

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Least Common Multiple of 27891 and 27900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27891 and 27900, than apply into the LCM equation.

GCF(27891,27900) = 9
LCM(27891,27900) = ( 27891 × 27900) / 9
LCM(27891,27900) = 778158900 / 9
LCM(27891,27900) = 86462100

Least Common Multiple (LCM) of 27891 and 27900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27891 and 27900. First we will calculate the prime factors of 27891 and 27900.

Prime Factorization of 27891

Prime factors of 27891 are 3, 1033. Prime factorization of 27891 in exponential form is:

27891 = 33 × 10331

Prime Factorization of 27900

Prime factors of 27900 are 2, 3, 5, 31. Prime factorization of 27900 in exponential form is:

27900 = 22 × 32 × 52 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 27891 and 27900.

LCM(27891,27900) = 33 × 10331 × 22 × 52 × 311
LCM(27891,27900) = 86462100