What is the Least Common Multiple of 18918 and 18922?

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 18918 and 18922 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18918 and 18922, than apply into the LCM equation.

GCF(18918,18922) = 2
LCM(18918,18922) = ( 18918 × 18922) / 2
LCM(18918,18922) = 357966396 / 2
LCM(18918,18922) = 178983198

Least Common Multiple (LCM) of 18918 and 18922 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18918 and 18922. First we will calculate the prime factors of 18918 and 18922.

Prime Factorization of 18918

Prime Factorization of 18922

Now multiplying the highest exponent prime factors to calculate the LCM of 18918 and 18922.

LCM(18918,18922) = 2¹ × 3² × 1051¹ × 9461¹
LCM(18918,18922) = 178983198