What is the Least Common Multiple of 31146 and 31158?

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 31146 and 31158 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31146 and 31158, than apply into the LCM equation.

GCF(31146,31158) = 6
LCM(31146,31158) = ( 31146 × 31158) / 6
LCM(31146,31158) = 970447068 / 6
LCM(31146,31158) = 161741178

Least Common Multiple (LCM) of 31146 and 31158 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31146 and 31158. First we will calculate the prime factors of 31146 and 31158.

Prime Factorization of 31146

Prime Factorization of 31158

Now multiplying the highest exponent prime factors to calculate the LCM of 31146 and 31158.

LCM(31146,31158) = 2¹ × 3³ × 29¹ × 179¹ × 577¹
LCM(31146,31158) = 161741178