What is the Least Common Multiple of 18806 and 18812?

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 18806 and 18812 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18806 and 18812, than apply into the LCM equation.

GCF(18806,18812) = 2
LCM(18806,18812) = ( 18806 × 18812) / 2
LCM(18806,18812) = 353778472 / 2
LCM(18806,18812) = 176889236

Least Common Multiple (LCM) of 18806 and 18812 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18806 and 18812. First we will calculate the prime factors of 18806 and 18812.

Prime Factorization of 18806

Prime Factorization of 18812

Now multiplying the highest exponent prime factors to calculate the LCM of 18806 and 18812.

LCM(18806,18812) = 2² × 9403¹ × 4703¹
LCM(18806,18812) = 176889236