What is the Least Common Multiple of 13218 and 13238?

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 13218 and 13238 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13218 and 13238, than apply into the LCM equation.

GCF(13218,13238) = 2
LCM(13218,13238) = ( 13218 × 13238) / 2
LCM(13218,13238) = 174979884 / 2
LCM(13218,13238) = 87489942

Least Common Multiple (LCM) of 13218 and 13238 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13218 and 13238. First we will calculate the prime factors of 13218 and 13238.

Prime Factorization of 13218

Prime Factorization of 13238

Now multiplying the highest exponent prime factors to calculate the LCM of 13218 and 13238.

LCM(13218,13238) = 2¹ × 3¹ × 2203¹ × 6619¹
LCM(13218,13238) = 87489942