What is the Least Common Multiple of 15855 and 15875?

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 15855 and 15875 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15855 and 15875, than apply into the LCM equation.

GCF(15855,15875) = 5
LCM(15855,15875) = ( 15855 × 15875) / 5
LCM(15855,15875) = 251698125 / 5
LCM(15855,15875) = 50339625

Least Common Multiple (LCM) of 15855 and 15875 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15855 and 15875. First we will calculate the prime factors of 15855 and 15875.

Prime Factorization of 15855

Prime Factorization of 15875

Now multiplying the highest exponent prime factors to calculate the LCM of 15855 and 15875.

LCM(15855,15875) = 3¹ × 5³ × 7¹ × 151¹ × 127¹
LCM(15855,15875) = 50339625