What is the Least Common Multiple of 8531 and 8543?

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 8531 and 8543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8531 and 8543, than apply into the LCM equation.

GCF(8531,8543) = 1
LCM(8531,8543) = ( 8531 × 8543) / 1
LCM(8531,8543) = 72880333 / 1
LCM(8531,8543) = 72880333

Least Common Multiple (LCM) of 8531 and 8543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8531 and 8543. First we will calculate the prime factors of 8531 and 8543.

Prime Factorization of 8531

Prime Factorization of 8543

Now multiplying the highest exponent prime factors to calculate the LCM of 8531 and 8543.

LCM(8531,8543) = 19¹ × 449¹ × 8543¹
LCM(8531,8543) = 72880333