What is the Least Common Multiple of 20023 and 20041?

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 20023 and 20041 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20023 and 20041, than apply into the LCM equation.

GCF(20023,20041) = 1
LCM(20023,20041) = ( 20023 × 20041) / 1
LCM(20023,20041) = 401280943 / 1
LCM(20023,20041) = 401280943

Least Common Multiple (LCM) of 20023 and 20041 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20023 and 20041. First we will calculate the prime factors of 20023 and 20041.

Prime Factorization of 20023

Prime Factorization of 20041

Now multiplying the highest exponent prime factors to calculate the LCM of 20023 and 20041.

LCM(20023,20041) = 20023¹ × 7² × 409¹
LCM(20023,20041) = 401280943