What is the Least Common Multiple of 18904 and 18908?

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 18904 and 18908 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18904 and 18908, than apply into the LCM equation.

GCF(18904,18908) = 4
LCM(18904,18908) = ( 18904 × 18908) / 4
LCM(18904,18908) = 357436832 / 4
LCM(18904,18908) = 89359208

Least Common Multiple (LCM) of 18904 and 18908 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18904 and 18908. First we will calculate the prime factors of 18904 and 18908.

Prime Factorization of 18904

Prime Factorization of 18908

Now multiplying the highest exponent prime factors to calculate the LCM of 18904 and 18908.

LCM(18904,18908) = 2³ × 17¹ × 139¹ × 29¹ × 163¹
LCM(18904,18908) = 89359208