What is the Least Common Multiple of 40512 and 40531?

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 40512 and 40531 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40512 and 40531, than apply into the LCM equation.

GCF(40512,40531) = 1
LCM(40512,40531) = ( 40512 × 40531) / 1
LCM(40512,40531) = 1641991872 / 1
LCM(40512,40531) = 1641991872

Least Common Multiple (LCM) of 40512 and 40531 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40512 and 40531. First we will calculate the prime factors of 40512 and 40531.

Prime Factorization of 40512

Prime Factorization of 40531

Now multiplying the highest exponent prime factors to calculate the LCM of 40512 and 40531.

LCM(40512,40531) = 2⁶ × 3¹ × 211¹ × 40531¹
LCM(40512,40531) = 1641991872