What is the Least Common Multiple of 15825 and 15843?

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 15825 and 15843 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15825 and 15843, than apply into the LCM equation.

GCF(15825,15843) = 3
LCM(15825,15843) = ( 15825 × 15843) / 3
LCM(15825,15843) = 250715475 / 3
LCM(15825,15843) = 83571825

Least Common Multiple (LCM) of 15825 and 15843 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15825 and 15843. First we will calculate the prime factors of 15825 and 15843.

Prime Factorization of 15825

Prime Factorization of 15843

Now multiplying the highest exponent prime factors to calculate the LCM of 15825 and 15843.

LCM(15825,15843) = 3¹ × 5² × 211¹ × 5281¹
LCM(15825,15843) = 83571825