What is the Least Common Multiple of 17790 and 17809?

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 17790 and 17809 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17790 and 17809, than apply into the LCM equation.

GCF(17790,17809) = 1
LCM(17790,17809) = ( 17790 × 17809) / 1
LCM(17790,17809) = 316822110 / 1
LCM(17790,17809) = 316822110

Least Common Multiple (LCM) of 17790 and 17809 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17790 and 17809. First we will calculate the prime factors of 17790 and 17809.

Prime Factorization of 17790

Prime Factorization of 17809

Now multiplying the highest exponent prime factors to calculate the LCM of 17790 and 17809.

LCM(17790,17809) = 2¹ × 3¹ × 5¹ × 593¹ × 11¹ × 1619¹
LCM(17790,17809) = 316822110