What is the Least Common Multiple of 85790 and 85810?

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 85790 and 85810 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85790 and 85810, than apply into the LCM equation.

GCF(85790,85810) = 10
LCM(85790,85810) = ( 85790 × 85810) / 10
LCM(85790,85810) = 7361639900 / 10
LCM(85790,85810) = 736163990

Least Common Multiple (LCM) of 85790 and 85810 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85790 and 85810. First we will calculate the prime factors of 85790 and 85810.

Prime Factorization of 85790

Prime Factorization of 85810

Now multiplying the highest exponent prime factors to calculate the LCM of 85790 and 85810.

LCM(85790,85810) = 2¹ × 5¹ × 23¹ × 373¹ × 8581¹
LCM(85790,85810) = 736163990