What is the Least Common Multiple of 12168 and 12181?

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 12168 and 12181 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12168 and 12181, than apply into the LCM equation.

GCF(12168,12181) = 13
LCM(12168,12181) = ( 12168 × 12181) / 13
LCM(12168,12181) = 148218408 / 13
LCM(12168,12181) = 11401416

Least Common Multiple (LCM) of 12168 and 12181 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12168 and 12181. First we will calculate the prime factors of 12168 and 12181.

Prime Factorization of 12168

Prime Factorization of 12181

Now multiplying the highest exponent prime factors to calculate the LCM of 12168 and 12181.

LCM(12168,12181) = 2³ × 3² × 13² × 937¹
LCM(12168,12181) = 11401416