What is the Least Common Multiple of 15816 and 15825?

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 15816 and 15825 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15816 and 15825, than apply into the LCM equation.

GCF(15816,15825) = 3
LCM(15816,15825) = ( 15816 × 15825) / 3
LCM(15816,15825) = 250288200 / 3
LCM(15816,15825) = 83429400

Least Common Multiple (LCM) of 15816 and 15825 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15816 and 15825. First we will calculate the prime factors of 15816 and 15825.

Prime Factorization of 15816

Prime Factorization of 15825

Now multiplying the highest exponent prime factors to calculate the LCM of 15816 and 15825.

LCM(15816,15825) = 2³ × 3¹ × 659¹ × 5² × 211¹
LCM(15816,15825) = 83429400