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What is the Least Common Multiple of 10891 and 10898?

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 10891 and 10898 is 118690118.

LCM(10891,10898) = 118690118

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Least Common Multiple of 10891 and 10898 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10891 and 10898, than apply into the LCM equation.

GCF(10891,10898) = 1
LCM(10891,10898) = ( 10891 × 10898) / 1
LCM(10891,10898) = 118690118 / 1
LCM(10891,10898) = 118690118

Least Common Multiple (LCM) of 10891 and 10898 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10891 and 10898. First we will calculate the prime factors of 10891 and 10898.

Prime Factorization of 10891

Prime factors of 10891 are 10891. Prime factorization of 10891 in exponential form is:

10891 = 108911

Prime Factorization of 10898

Prime factors of 10898 are 2, 5449. Prime factorization of 10898 in exponential form is:

10898 = 21 × 54491

Now multiplying the highest exponent prime factors to calculate the LCM of 10891 and 10898.

LCM(10891,10898) = 108911 × 21 × 54491
LCM(10891,10898) = 118690118