What is the Least Common Multiple of 15815 and 15819?

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 15815 and 15819 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15815 and 15819, than apply into the LCM equation.

GCF(15815,15819) = 1
LCM(15815,15819) = ( 15815 × 15819) / 1
LCM(15815,15819) = 250177485 / 1
LCM(15815,15819) = 250177485

Least Common Multiple (LCM) of 15815 and 15819 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15815 and 15819. First we will calculate the prime factors of 15815 and 15819.

Prime Factorization of 15815

Prime Factorization of 15819

Now multiplying the highest exponent prime factors to calculate the LCM of 15815 and 15819.

LCM(15815,15819) = 5¹ × 3163¹ × 3¹ × 5273¹
LCM(15815,15819) = 250177485