What is the Least Common Multiple of 3228 and 3243?

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 3228 and 3243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3228 and 3243, than apply into the LCM equation.

GCF(3228,3243) = 3
LCM(3228,3243) = ( 3228 × 3243) / 3
LCM(3228,3243) = 10468404 / 3
LCM(3228,3243) = 3489468

Least Common Multiple (LCM) of 3228 and 3243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3228 and 3243. First we will calculate the prime factors of 3228 and 3243.

Prime Factorization of 3228

Prime Factorization of 3243

Now multiplying the highest exponent prime factors to calculate the LCM of 3228 and 3243.

LCM(3228,3243) = 2² × 3¹ × 269¹ × 23¹ × 47¹
LCM(3228,3243) = 3489468