What is the Least Common Multiple of 18813 and 18828?

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 18813 and 18828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18813 and 18828, than apply into the LCM equation.

GCF(18813,18828) = 3
LCM(18813,18828) = ( 18813 × 18828) / 3
LCM(18813,18828) = 354211164 / 3
LCM(18813,18828) = 118070388

Least Common Multiple (LCM) of 18813 and 18828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18813 and 18828. First we will calculate the prime factors of 18813 and 18828.

Prime Factorization of 18813

Prime Factorization of 18828

Now multiplying the highest exponent prime factors to calculate the LCM of 18813 and 18828.

LCM(18813,18828) = 3² × 6271¹ × 2² × 523¹
LCM(18813,18828) = 118070388