What is the Least Common Multiple of 15345 and 15360?

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 15345 and 15360 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15345 and 15360, than apply into the LCM equation.

GCF(15345,15360) = 15
LCM(15345,15360) = ( 15345 × 15360) / 15
LCM(15345,15360) = 235699200 / 15
LCM(15345,15360) = 15713280

Least Common Multiple (LCM) of 15345 and 15360 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15345 and 15360. First we will calculate the prime factors of 15345 and 15360.

Prime Factorization of 15345

Prime Factorization of 15360

Now multiplying the highest exponent prime factors to calculate the LCM of 15345 and 15360.

LCM(15345,15360) = 3² × 5¹ × 11¹ × 31¹ × 2¹⁰
LCM(15345,15360) = 15713280