What is the Least Common Multiple of 6228 and 6243?

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 6228 and 6243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6228 and 6243, than apply into the LCM equation.

GCF(6228,6243) = 3
LCM(6228,6243) = ( 6228 × 6243) / 3
LCM(6228,6243) = 38881404 / 3
LCM(6228,6243) = 12960468

Least Common Multiple (LCM) of 6228 and 6243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6228 and 6243. First we will calculate the prime factors of 6228 and 6243.

Prime Factorization of 6228

Prime Factorization of 6243

Now multiplying the highest exponent prime factors to calculate the LCM of 6228 and 6243.

LCM(6228,6243) = 2² × 3² × 173¹ × 2081¹
LCM(6228,6243) = 12960468