What is the Least Common Multiple of 28531 and 28543?

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 28531 and 28543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28531 and 28543, than apply into the LCM equation.

GCF(28531,28543) = 1
LCM(28531,28543) = ( 28531 × 28543) / 1
LCM(28531,28543) = 814360333 / 1
LCM(28531,28543) = 814360333

Least Common Multiple (LCM) of 28531 and 28543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28531 and 28543. First we will calculate the prime factors of 28531 and 28543.

Prime Factorization of 28531

Prime Factorization of 28543

Now multiplying the highest exponent prime factors to calculate the LCM of 28531 and 28543.

LCM(28531,28543) = 103¹ × 277¹ × 17¹ × 23¹ × 73¹
LCM(28531,28543) = 814360333