What is the Least Common Multiple of 16815 and 16819?

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 16815 and 16819 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16815 and 16819, than apply into the LCM equation.

GCF(16815,16819) = 1
LCM(16815,16819) = ( 16815 × 16819) / 1
LCM(16815,16819) = 282811485 / 1
LCM(16815,16819) = 282811485

Least Common Multiple (LCM) of 16815 and 16819 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16815 and 16819. First we will calculate the prime factors of 16815 and 16819.

Prime Factorization of 16815

Prime Factorization of 16819

Now multiplying the highest exponent prime factors to calculate the LCM of 16815 and 16819.

LCM(16815,16819) = 3¹ × 5¹ × 19¹ × 59¹ × 11² × 139¹
LCM(16815,16819) = 282811485