What is the Least Common Multiple of 18551 and 18556?

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 18551 and 18556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18551 and 18556, than apply into the LCM equation.

GCF(18551,18556) = 1
LCM(18551,18556) = ( 18551 × 18556) / 1
LCM(18551,18556) = 344232356 / 1
LCM(18551,18556) = 344232356

Least Common Multiple (LCM) of 18551 and 18556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18551 and 18556. First we will calculate the prime factors of 18551 and 18556.

Prime Factorization of 18551

Prime Factorization of 18556

Now multiplying the highest exponent prime factors to calculate the LCM of 18551 and 18556.

LCM(18551,18556) = 13¹ × 1427¹ × 2² × 4639¹
LCM(18551,18556) = 344232356