What is the Least Common Multiple of 22557 and 22561?

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 22557 and 22561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22557 and 22561, than apply into the LCM equation.

GCF(22557,22561) = 1
LCM(22557,22561) = ( 22557 × 22561) / 1
LCM(22557,22561) = 508908477 / 1
LCM(22557,22561) = 508908477

Least Common Multiple (LCM) of 22557 and 22561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22557 and 22561. First we will calculate the prime factors of 22557 and 22561.

Prime Factorization of 22557

Prime Factorization of 22561

Now multiplying the highest exponent prime factors to calculate the LCM of 22557 and 22561.

LCM(22557,22561) = 3¹ × 73¹ × 103¹ × 7¹ × 11¹ × 293¹
LCM(22557,22561) = 508908477