What is the Least Common Multiple of 40023 and 40043?

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 40023 and 40043 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40023 and 40043, than apply into the LCM equation.

GCF(40023,40043) = 1
LCM(40023,40043) = ( 40023 × 40043) / 1
LCM(40023,40043) = 1602640989 / 1
LCM(40023,40043) = 1602640989

Least Common Multiple (LCM) of 40023 and 40043 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40023 and 40043. First we will calculate the prime factors of 40023 and 40043.

Prime Factorization of 40023

Prime Factorization of 40043

Now multiplying the highest exponent prime factors to calculate the LCM of 40023 and 40043.

LCM(40023,40043) = 3² × 4447¹ × 23¹ × 1741¹
LCM(40023,40043) = 1602640989