What is the Least Common Multiple of 2171 and 2186?

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 2171 and 2186 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2171 and 2186, than apply into the LCM equation.

GCF(2171,2186) = 1
LCM(2171,2186) = ( 2171 × 2186) / 1
LCM(2171,2186) = 4745806 / 1
LCM(2171,2186) = 4745806

Least Common Multiple (LCM) of 2171 and 2186 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2171 and 2186. First we will calculate the prime factors of 2171 and 2186.

Prime Factorization of 2171

Prime Factorization of 2186

Now multiplying the highest exponent prime factors to calculate the LCM of 2171 and 2186.

LCM(2171,2186) = 13¹ × 167¹ × 2¹ × 1093¹
LCM(2171,2186) = 4745806