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What is the Least Common Multiple of 882 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 882 and 891 is 87318.

LCM(882,891) = 87318

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Least Common Multiple of 882 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 882 and 891, than apply into the LCM equation.

GCF(882,891) = 9
LCM(882,891) = ( 882 × 891) / 9
LCM(882,891) = 785862 / 9
LCM(882,891) = 87318

Least Common Multiple (LCM) of 882 and 891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 882 and 891. First we will calculate the prime factors of 882 and 891.

Prime Factorization of 882

Prime factors of 882 are 2, 3, 7. Prime factorization of 882 in exponential form is:

882 = 21 × 32 × 72

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 882 and 891.

LCM(882,891) = 21 × 34 × 72 × 111
LCM(882,891) = 87318