What is the Least Common Multiple of 2023 and 2043?

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 2023 and 2043 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2023 and 2043, than apply into the LCM equation.

GCF(2023,2043) = 1
LCM(2023,2043) = ( 2023 × 2043) / 1
LCM(2023,2043) = 4132989 / 1
LCM(2023,2043) = 4132989

Least Common Multiple (LCM) of 2023 and 2043 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2023 and 2043. First we will calculate the prime factors of 2023 and 2043.

Prime Factorization of 2023

Prime Factorization of 2043

Now multiplying the highest exponent prime factors to calculate the LCM of 2023 and 2043.

LCM(2023,2043) = 7¹ × 17² × 3² × 227¹
LCM(2023,2043) = 4132989