What is the Least Common Multiple of 16868 and 16872?

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 16868 and 16872 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16868 and 16872, than apply into the LCM equation.

GCF(16868,16872) = 4
LCM(16868,16872) = ( 16868 × 16872) / 4
LCM(16868,16872) = 284596896 / 4
LCM(16868,16872) = 71149224

Least Common Multiple (LCM) of 16868 and 16872 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16868 and 16872. First we will calculate the prime factors of 16868 and 16872.

Prime Factorization of 16868

Prime Factorization of 16872

Now multiplying the highest exponent prime factors to calculate the LCM of 16868 and 16872.

LCM(16868,16872) = 2³ × 4217¹ × 3¹ × 19¹ × 37¹
LCM(16868,16872) = 71149224