What is the Least Common Multiple of 28173 and 28187?

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 28173 and 28187 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28173 and 28187, than apply into the LCM equation.

GCF(28173,28187) = 1
LCM(28173,28187) = ( 28173 × 28187) / 1
LCM(28173,28187) = 794112351 / 1
LCM(28173,28187) = 794112351

Least Common Multiple (LCM) of 28173 and 28187 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28173 and 28187. First we will calculate the prime factors of 28173 and 28187.

Prime Factorization of 28173

Prime Factorization of 28187

Now multiplying the highest exponent prime factors to calculate the LCM of 28173 and 28187.

LCM(28173,28187) = 3¹ × 9391¹ × 71¹ × 397¹
LCM(28173,28187) = 794112351