What is the Least Common Multiple of 15228 and 15243?

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 15228 and 15243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15228 and 15243, than apply into the LCM equation.

GCF(15228,15243) = 3
LCM(15228,15243) = ( 15228 × 15243) / 3
LCM(15228,15243) = 232120404 / 3
LCM(15228,15243) = 77373468

Least Common Multiple (LCM) of 15228 and 15243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15228 and 15243. First we will calculate the prime factors of 15228 and 15243.

Prime Factorization of 15228

Prime Factorization of 15243

Now multiplying the highest exponent prime factors to calculate the LCM of 15228 and 15243.

LCM(15228,15243) = 2² × 3⁴ × 47¹ × 5081¹
LCM(15228,15243) = 77373468