What is the Least Common Multiple of 81273 and 81279?

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 81273 and 81279 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81273 and 81279, than apply into the LCM equation.

GCF(81273,81279) = 3
LCM(81273,81279) = ( 81273 × 81279) / 3
LCM(81273,81279) = 6605788167 / 3
LCM(81273,81279) = 2201929389

Least Common Multiple (LCM) of 81273 and 81279 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81273 and 81279. First we will calculate the prime factors of 81273 and 81279.

Prime Factorization of 81273

Prime Factorization of 81279

Now multiplying the highest exponent prime factors to calculate the LCM of 81273 and 81279.

LCM(81273,81279) = 3² × 27091¹ × 11¹ × 821¹
LCM(81273,81279) = 2201929389