What is the Least Common Multiple of 11857 and 11873?

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 11857 and 11873 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11857 and 11873, than apply into the LCM equation.

GCF(11857,11873) = 1
LCM(11857,11873) = ( 11857 × 11873) / 1
LCM(11857,11873) = 140778161 / 1
LCM(11857,11873) = 140778161

Least Common Multiple (LCM) of 11857 and 11873 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11857 and 11873. First we will calculate the prime factors of 11857 and 11873.

Prime Factorization of 11857

Prime Factorization of 11873

Now multiplying the highest exponent prime factors to calculate the LCM of 11857 and 11873.

LCM(11857,11873) = 71¹ × 167¹ × 31¹ × 383¹
LCM(11857,11873) = 140778161