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What is the Least Common Multiple of 885 and 891?

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 885 and 891 is 262845.

LCM(885,891) = 262845

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Least Common Multiple of 885 and 891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 885 and 891, than apply into the LCM equation.

GCF(885,891) = 3
LCM(885,891) = ( 885 × 891) / 3
LCM(885,891) = 788535 / 3
LCM(885,891) = 262845

Least Common Multiple (LCM) of 885 and 891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 885 and 891. First we will calculate the prime factors of 885 and 891.

Prime Factorization of 885

Prime factors of 885 are 3, 5, 59. Prime factorization of 885 in exponential form is:

885 = 31 × 51 × 591

Prime Factorization of 891

Prime factors of 891 are 3, 11. Prime factorization of 891 in exponential form is:

891 = 34 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 885 and 891.

LCM(885,891) = 34 × 51 × 591 × 111
LCM(885,891) = 262845