What is the Least Common Multiple of 82790 and 82810?

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 82790 and 82810 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82790 and 82810, than apply into the LCM equation.

GCF(82790,82810) = 10
LCM(82790,82810) = ( 82790 × 82810) / 10
LCM(82790,82810) = 6855839900 / 10
LCM(82790,82810) = 685583990

Least Common Multiple (LCM) of 82790 and 82810 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82790 and 82810. First we will calculate the prime factors of 82790 and 82810.

Prime Factorization of 82790

Prime Factorization of 82810

Now multiplying the highest exponent prime factors to calculate the LCM of 82790 and 82810.

LCM(82790,82810) = 2¹ × 5¹ × 17¹ × 487¹ × 7² × 13²
LCM(82790,82810) = 685583990