What is the Least Common Multiple of 12191 and 12199?

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 12191 and 12199 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12191 and 12199, than apply into the LCM equation.

GCF(12191,12199) = 1
LCM(12191,12199) = ( 12191 × 12199) / 1
LCM(12191,12199) = 148718009 / 1
LCM(12191,12199) = 148718009

Least Common Multiple (LCM) of 12191 and 12199 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12191 and 12199. First we will calculate the prime factors of 12191 and 12199.

Prime Factorization of 12191

Prime Factorization of 12199

Now multiplying the highest exponent prime factors to calculate the LCM of 12191 and 12199.

LCM(12191,12199) = 73¹ × 167¹ × 11¹ × 1109¹
LCM(12191,12199) = 148718009