What is the Least Common Multiple of 72018 and 72038?

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 72018 and 72038 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72018 and 72038, than apply into the LCM equation.

GCF(72018,72038) = 2
LCM(72018,72038) = ( 72018 × 72038) / 2
LCM(72018,72038) = 5188032684 / 2
LCM(72018,72038) = 2594016342

Least Common Multiple (LCM) of 72018 and 72038 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72018 and 72038. First we will calculate the prime factors of 72018 and 72038.

Prime Factorization of 72018

Prime Factorization of 72038

Now multiplying the highest exponent prime factors to calculate the LCM of 72018 and 72038.

LCM(72018,72038) = 2¹ × 3² × 4001¹ × 181¹ × 199¹
LCM(72018,72038) = 2594016342