What is the Least Common Multiple of 20015 and 20023?

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 20015 and 20023 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20015 and 20023, than apply into the LCM equation.

GCF(20015,20023) = 1
LCM(20015,20023) = ( 20015 × 20023) / 1
LCM(20015,20023) = 400760345 / 1
LCM(20015,20023) = 400760345

Least Common Multiple (LCM) of 20015 and 20023 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20015 and 20023. First we will calculate the prime factors of 20015 and 20023.

Prime Factorization of 20015

Prime Factorization of 20023

Now multiplying the highest exponent prime factors to calculate the LCM of 20015 and 20023.

LCM(20015,20023) = 5¹ × 4003¹ × 20023¹
LCM(20015,20023) = 400760345