What is the Least Common Multiple of 15172 and 15190?

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 15172 and 15190 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15172 and 15190, than apply into the LCM equation.

GCF(15172,15190) = 2
LCM(15172,15190) = ( 15172 × 15190) / 2
LCM(15172,15190) = 230462680 / 2
LCM(15172,15190) = 115231340

Least Common Multiple (LCM) of 15172 and 15190 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15172 and 15190. First we will calculate the prime factors of 15172 and 15190.

Prime Factorization of 15172

Prime Factorization of 15190

Now multiplying the highest exponent prime factors to calculate the LCM of 15172 and 15190.

LCM(15172,15190) = 2² × 3793¹ × 5¹ × 7² × 31¹
LCM(15172,15190) = 115231340