What is the Least Common Multiple of 38000 and 38005?

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 38000 and 38005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38000 and 38005, than apply into the LCM equation.

GCF(38000,38005) = 5
LCM(38000,38005) = ( 38000 × 38005) / 5
LCM(38000,38005) = 1444190000 / 5
LCM(38000,38005) = 288838000

Least Common Multiple (LCM) of 38000 and 38005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38000 and 38005. First we will calculate the prime factors of 38000 and 38005.

Prime Factorization of 38000

Prime Factorization of 38005

Now multiplying the highest exponent prime factors to calculate the LCM of 38000 and 38005.

LCM(38000,38005) = 2⁴ × 5³ × 19¹ × 11¹ × 691¹
LCM(38000,38005) = 288838000