What is the Least Common Multiple of 18009 and 18013?

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 18013 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 18013, than apply into the LCM equation.

GCF(18009,18013) = 1
LCM(18009,18013) = ( 18009 × 18013) / 1
LCM(18009,18013) = 324396117 / 1
LCM(18009,18013) = 324396117

Least Common Multiple (LCM) of 18009 and 18013 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18009 and 18013. First we will calculate the prime factors of 18009 and 18013.

Prime Factorization of 18009

Prime Factorization of 18013

Now multiplying the highest exponent prime factors to calculate the LCM of 18009 and 18013.

LCM(18009,18013) = 3³ × 23¹ × 29¹ × 18013¹
LCM(18009,18013) = 324396117