What is the Least Common Multiple of 40891 and 40909?

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 40891 and 40909 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40891 and 40909, than apply into the LCM equation.

GCF(40891,40909) = 1
LCM(40891,40909) = ( 40891 × 40909) / 1
LCM(40891,40909) = 1672809919 / 1
LCM(40891,40909) = 1672809919

Least Common Multiple (LCM) of 40891 and 40909 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40891 and 40909. First we will calculate the prime factors of 40891 and 40909.

Prime Factorization of 40891

Prime Factorization of 40909

Now multiplying the highest exponent prime factors to calculate the LCM of 40891 and 40909.

LCM(40891,40909) = 103¹ × 397¹ × 11¹ × 3719¹
LCM(40891,40909) = 1672809919