What is the Least Common Multiple of 18069 and 18081?

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 18069 and 18081 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18069 and 18081, than apply into the LCM equation.

GCF(18069,18081) = 3
LCM(18069,18081) = ( 18069 × 18081) / 3
LCM(18069,18081) = 326705589 / 3
LCM(18069,18081) = 108901863

Least Common Multiple (LCM) of 18069 and 18081 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18069 and 18081. First we will calculate the prime factors of 18069 and 18081.

Prime Factorization of 18069

Prime Factorization of 18081

Now multiplying the highest exponent prime factors to calculate the LCM of 18069 and 18081.

LCM(18069,18081) = 3² × 19¹ × 317¹ × 7² × 41¹
LCM(18069,18081) = 108901863