What is the Least Common Multiple of 18571 and 18591?

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 18571 and 18591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18571 and 18591, than apply into the LCM equation.

GCF(18571,18591) = 1
LCM(18571,18591) = ( 18571 × 18591) / 1
LCM(18571,18591) = 345253461 / 1
LCM(18571,18591) = 345253461

Least Common Multiple (LCM) of 18571 and 18591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18571 and 18591. First we will calculate the prime factors of 18571 and 18591.

Prime Factorization of 18571

Prime Factorization of 18591

Now multiplying the highest exponent prime factors to calculate the LCM of 18571 and 18591.

LCM(18571,18591) = 7² × 379¹ × 3¹ × 6197¹
LCM(18571,18591) = 345253461