What is the Least Common Multiple of 13209 and 13218?

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 13209 and 13218 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13209 and 13218, than apply into the LCM equation.

GCF(13209,13218) = 3
LCM(13209,13218) = ( 13209 × 13218) / 3
LCM(13209,13218) = 174596562 / 3
LCM(13209,13218) = 58198854

Least Common Multiple (LCM) of 13209 and 13218 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13209 and 13218. First we will calculate the prime factors of 13209 and 13218.

Prime Factorization of 13209

Prime Factorization of 13218

Now multiplying the highest exponent prime factors to calculate the LCM of 13209 and 13218.

LCM(13209,13218) = 3¹ × 7¹ × 17¹ × 37¹ × 2¹ × 2203¹
LCM(13209,13218) = 58198854