What is the Least Common Multiple of 30861 and 30867?

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 30861 and 30867 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30861 and 30867, than apply into the LCM equation.

GCF(30861,30867) = 3
LCM(30861,30867) = ( 30861 × 30867) / 3
LCM(30861,30867) = 952586487 / 3
LCM(30861,30867) = 317528829

Least Common Multiple (LCM) of 30861 and 30867 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30861 and 30867. First we will calculate the prime factors of 30861 and 30867.

Prime Factorization of 30861

Prime Factorization of 30867

Now multiplying the highest exponent prime factors to calculate the LCM of 30861 and 30867.

LCM(30861,30867) = 3⁵ × 127¹ × 10289¹
LCM(30861,30867) = 317528829