What is the Least Common Multiple of 72081 and 72099?

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 72081 and 72099 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72081 and 72099, than apply into the LCM equation.

GCF(72081,72099) = 9
LCM(72081,72099) = ( 72081 × 72099) / 9
LCM(72081,72099) = 5196968019 / 9
LCM(72081,72099) = 577440891

Least Common Multiple (LCM) of 72081 and 72099 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72081 and 72099. First we will calculate the prime factors of 72081 and 72099.

Prime Factorization of 72081

Prime Factorization of 72099

Now multiplying the highest exponent prime factors to calculate the LCM of 72081 and 72099.

LCM(72081,72099) = 3² × 8009¹ × 8011¹
LCM(72081,72099) = 577440891