What is the Least Common Multiple of 15867 and 15885?

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 15867 and 15885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15867 and 15885, than apply into the LCM equation.

GCF(15867,15885) = 9
LCM(15867,15885) = ( 15867 × 15885) / 9
LCM(15867,15885) = 252047295 / 9
LCM(15867,15885) = 28005255

Least Common Multiple (LCM) of 15867 and 15885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15867 and 15885. First we will calculate the prime factors of 15867 and 15885.

Prime Factorization of 15867

Prime Factorization of 15885

Now multiplying the highest exponent prime factors to calculate the LCM of 15867 and 15885.

LCM(15867,15885) = 3² × 41¹ × 43¹ × 5¹ × 353¹
LCM(15867,15885) = 28005255