What is the Least Common Multiple of 25557 and 25561?

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 25557 and 25561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25557 and 25561, than apply into the LCM equation.

GCF(25557,25561) = 1
LCM(25557,25561) = ( 25557 × 25561) / 1
LCM(25557,25561) = 653262477 / 1
LCM(25557,25561) = 653262477

Least Common Multiple (LCM) of 25557 and 25561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25557 and 25561. First we will calculate the prime factors of 25557 and 25561.

Prime Factorization of 25557

Prime Factorization of 25561

Now multiplying the highest exponent prime factors to calculate the LCM of 25557 and 25561.

LCM(25557,25561) = 3¹ × 7¹ × 1217¹ × 25561¹
LCM(25557,25561) = 653262477