What is the Least Common Multiple of 17815 and 17819?

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 17815 and 17819 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17815 and 17819, than apply into the LCM equation.

GCF(17815,17819) = 1
LCM(17815,17819) = ( 17815 × 17819) / 1
LCM(17815,17819) = 317445485 / 1
LCM(17815,17819) = 317445485

Least Common Multiple (LCM) of 17815 and 17819 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17815 and 17819. First we will calculate the prime factors of 17815 and 17819.

Prime Factorization of 17815

Prime Factorization of 17819

Now multiplying the highest exponent prime factors to calculate the LCM of 17815 and 17819.

LCM(17815,17819) = 5¹ × 7¹ × 509¹ × 103¹ × 173¹
LCM(17815,17819) = 317445485