What is the Least Common Multiple of 40396 and 40404?

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 40396 and 40404 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40396 and 40404, than apply into the LCM equation.

GCF(40396,40404) = 4
LCM(40396,40404) = ( 40396 × 40404) / 4
LCM(40396,40404) = 1632159984 / 4
LCM(40396,40404) = 408039996

Least Common Multiple (LCM) of 40396 and 40404 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40396 and 40404. First we will calculate the prime factors of 40396 and 40404.

Prime Factorization of 40396

Prime Factorization of 40404

Now multiplying the highest exponent prime factors to calculate the LCM of 40396 and 40404.

LCM(40396,40404) = 2² × 10099¹ × 3¹ × 7¹ × 13¹ × 37¹
LCM(40396,40404) = 408039996