What is the Least Common Multiple of 30609 and 30618?

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 30609 and 30618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30609 and 30618, than apply into the LCM equation.

GCF(30609,30618) = 9
LCM(30609,30618) = ( 30609 × 30618) / 9
LCM(30609,30618) = 937186362 / 9
LCM(30609,30618) = 104131818

Least Common Multiple (LCM) of 30609 and 30618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30609 and 30618. First we will calculate the prime factors of 30609 and 30618.

Prime Factorization of 30609

Prime Factorization of 30618

Now multiplying the highest exponent prime factors to calculate the LCM of 30609 and 30618.

LCM(30609,30618) = 3⁷ × 19¹ × 179¹ × 2¹ × 7¹
LCM(30609,30618) = 104131818