What is the Least Common Multiple of 15885 and 15891?

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 15885 and 15891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15885 and 15891, than apply into the LCM equation.

GCF(15885,15891) = 3
LCM(15885,15891) = ( 15885 × 15891) / 3
LCM(15885,15891) = 252428535 / 3
LCM(15885,15891) = 84142845

Least Common Multiple (LCM) of 15885 and 15891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15885 and 15891. First we will calculate the prime factors of 15885 and 15891.

Prime Factorization of 15885

Prime Factorization of 15891

Now multiplying the highest exponent prime factors to calculate the LCM of 15885 and 15891.

LCM(15885,15891) = 3² × 5¹ × 353¹ × 5297¹
LCM(15885,15891) = 84142845