What is the Least Common Multiple of 18517 and 18523?

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 18517 and 18523 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18517 and 18523, than apply into the LCM equation.

GCF(18517,18523) = 1
LCM(18517,18523) = ( 18517 × 18523) / 1
LCM(18517,18523) = 342990391 / 1
LCM(18517,18523) = 342990391

Least Common Multiple (LCM) of 18517 and 18523 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18517 and 18523. First we will calculate the prime factors of 18517 and 18523.

Prime Factorization of 18517

Prime Factorization of 18523

Now multiplying the highest exponent prime factors to calculate the LCM of 18517 and 18523.

LCM(18517,18523) = 18517¹ × 18523¹
LCM(18517,18523) = 342990391