What is the Least Common Multiple of 18009 and 18017?

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 18009 and 18017 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18009 and 18017, than apply into the LCM equation.

GCF(18009,18017) = 1
LCM(18009,18017) = ( 18009 × 18017) / 1
LCM(18009,18017) = 324468153 / 1
LCM(18009,18017) = 324468153

Least Common Multiple (LCM) of 18009 and 18017 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18009 and 18017. First we will calculate the prime factors of 18009 and 18017.

Prime Factorization of 18009

Prime Factorization of 18017

Now multiplying the highest exponent prime factors to calculate the LCM of 18009 and 18017.

LCM(18009,18017) = 3³ × 23¹ × 29¹ × 43¹ × 419¹
LCM(18009,18017) = 324468153