What is the Least Common Multiple of 18531 and 18545?

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 18531 and 18545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18531 and 18545, than apply into the LCM equation.

GCF(18531,18545) = 1
LCM(18531,18545) = ( 18531 × 18545) / 1
LCM(18531,18545) = 343657395 / 1
LCM(18531,18545) = 343657395

Least Common Multiple (LCM) of 18531 and 18545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18531 and 18545. First we will calculate the prime factors of 18531 and 18545.

Prime Factorization of 18531

Prime Factorization of 18545

Now multiplying the highest exponent prime factors to calculate the LCM of 18531 and 18545.

LCM(18531,18545) = 3² × 29¹ × 71¹ × 5¹ × 3709¹
LCM(18531,18545) = 343657395