What is the Least Common Multiple of 18891 and 18897?

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 of 18891 and 18897 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18891 and 18897, than apply into the LCM equation.

GCF(18891,18897) = 3
LCM(18891,18897) = ( 18891 × 18897) / 3
LCM(18891,18897) = 356983227 / 3
LCM(18891,18897) = 118994409

Least Common Multiple (LCM) of 18891 and 18897 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18891 and 18897. First we will calculate the prime factors of 18891 and 18897.

Prime Factorization of 18891

Prime Factorization of 18897

Now multiplying the highest exponent prime factors to calculate the LCM of 18891 and 18897.

LCM(18891,18897) = 3² × 2099¹ × 6299¹
LCM(18891,18897) = 118994409