What is the Least Common Multiple of 20023 and 20039?

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 20039 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 20039, than apply into the LCM equation.

GCF(20023,20039) = 1
LCM(20023,20039) = ( 20023 × 20039) / 1
LCM(20023,20039) = 401240897 / 1
LCM(20023,20039) = 401240897

Least Common Multiple (LCM) of 20023 and 20039 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20023 and 20039. First we will calculate the prime factors of 20023 and 20039.

Prime Factorization of 20023

Prime Factorization of 20039

Now multiplying the highest exponent prime factors to calculate the LCM of 20023 and 20039.

LCM(20023,20039) = 20023¹ × 29¹ × 691¹
LCM(20023,20039) = 401240897