What is the Least Common Multiple of 12171 and 12186?

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 12171 and 12186 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12171 and 12186, than apply into the LCM equation.

GCF(12171,12186) = 3
LCM(12171,12186) = ( 12171 × 12186) / 3
LCM(12171,12186) = 148315806 / 3
LCM(12171,12186) = 49438602

Least Common Multiple (LCM) of 12171 and 12186 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12171 and 12186. First we will calculate the prime factors of 12171 and 12186.

Prime Factorization of 12171

Prime Factorization of 12186

Now multiplying the highest exponent prime factors to calculate the LCM of 12171 and 12186.

LCM(12171,12186) = 3² × 4057¹ × 2¹ × 677¹
LCM(12171,12186) = 49438602