What is the Least Common Multiple of 25605 and 25617?

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 25605 and 25617 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25605 and 25617, than apply into the LCM equation.

GCF(25605,25617) = 3
LCM(25605,25617) = ( 25605 × 25617) / 3
LCM(25605,25617) = 655923285 / 3
LCM(25605,25617) = 218641095

Least Common Multiple (LCM) of 25605 and 25617 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25605 and 25617. First we will calculate the prime factors of 25605 and 25617.

Prime Factorization of 25605

Prime Factorization of 25617

Now multiplying the highest exponent prime factors to calculate the LCM of 25605 and 25617.

LCM(25605,25617) = 3² × 5¹ × 569¹ × 8539¹
LCM(25605,25617) = 218641095