What is the Least Common Multiple of 15171 and 15183?

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 15171 and 15183 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15171 and 15183, than apply into the LCM equation.

GCF(15171,15183) = 3
LCM(15171,15183) = ( 15171 × 15183) / 3
LCM(15171,15183) = 230341293 / 3
LCM(15171,15183) = 76780431

Least Common Multiple (LCM) of 15171 and 15183 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15171 and 15183. First we will calculate the prime factors of 15171 and 15183.

Prime Factorization of 15171

Prime Factorization of 15183

Now multiplying the highest exponent prime factors to calculate the LCM of 15171 and 15183.

LCM(15171,15183) = 3² × 13¹ × 389¹ × 7¹ × 241¹
LCM(15171,15183) = 76780431