What is the Least Common Multiple of 12158 and 12168?

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 12158 and 12168 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12158 and 12168, than apply into the LCM equation.

GCF(12158,12168) = 2
LCM(12158,12168) = ( 12158 × 12168) / 2
LCM(12158,12168) = 147938544 / 2
LCM(12158,12168) = 73969272

Least Common Multiple (LCM) of 12158 and 12168 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12158 and 12168. First we will calculate the prime factors of 12158 and 12168.

Prime Factorization of 12158

Prime Factorization of 12168

Now multiplying the highest exponent prime factors to calculate the LCM of 12158 and 12168.

LCM(12158,12168) = 2³ × 6079¹ × 3² × 13²
LCM(12158,12168) = 73969272