What is the Least Common Multiple of 21186 and 21191?

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 21186 and 21191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21186 and 21191, than apply into the LCM equation.

GCF(21186,21191) = 1
LCM(21186,21191) = ( 21186 × 21191) / 1
LCM(21186,21191) = 448952526 / 1
LCM(21186,21191) = 448952526

Least Common Multiple (LCM) of 21186 and 21191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21186 and 21191. First we will calculate the prime factors of 21186 and 21191.

Prime Factorization of 21186

Prime Factorization of 21191

Now multiplying the highest exponent prime factors to calculate the LCM of 21186 and 21191.

LCM(21186,21191) = 2¹ × 3² × 11¹ × 107¹ × 21191¹
LCM(21186,21191) = 448952526