What is the Least Common Multiple of 17385 and 17400?

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 17385 and 17400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17385 and 17400, than apply into the LCM equation.

GCF(17385,17400) = 15
LCM(17385,17400) = ( 17385 × 17400) / 15
LCM(17385,17400) = 302499000 / 15
LCM(17385,17400) = 20166600

Least Common Multiple (LCM) of 17385 and 17400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17385 and 17400. First we will calculate the prime factors of 17385 and 17400.

Prime Factorization of 17385

Prime Factorization of 17400

Now multiplying the highest exponent prime factors to calculate the LCM of 17385 and 17400.

LCM(17385,17400) = 3¹ × 5² × 19¹ × 61¹ × 2³ × 29¹
LCM(17385,17400) = 20166600