What is the Least Common Multiple of 18744 and 18755?

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 18744 and 18755 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18744 and 18755, than apply into the LCM equation.

GCF(18744,18755) = 11
LCM(18744,18755) = ( 18744 × 18755) / 11
LCM(18744,18755) = 351543720 / 11
LCM(18744,18755) = 31958520

Least Common Multiple (LCM) of 18744 and 18755 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18744 and 18755. First we will calculate the prime factors of 18744 and 18755.

Prime Factorization of 18744

Prime Factorization of 18755

Now multiplying the highest exponent prime factors to calculate the LCM of 18744 and 18755.

LCM(18744,18755) = 2³ × 3¹ × 11² × 71¹ × 5¹ × 31¹
LCM(18744,18755) = 31958520