What is the Least Common Multiple of 72388 and 72396?

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 72388 and 72396 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72388 and 72396, than apply into the LCM equation.

GCF(72388,72396) = 4
LCM(72388,72396) = ( 72388 × 72396) / 4
LCM(72388,72396) = 5240601648 / 4
LCM(72388,72396) = 1310150412

Least Common Multiple (LCM) of 72388 and 72396 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72388 and 72396. First we will calculate the prime factors of 72388 and 72396.

Prime Factorization of 72388

Prime Factorization of 72396

Now multiplying the highest exponent prime factors to calculate the LCM of 72388 and 72396.

LCM(72388,72396) = 2² × 18097¹ × 3² × 2011¹
LCM(72388,72396) = 1310150412