What is the Least Common Multiple of 18020 and 18032?

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 18020 and 18032 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18020 and 18032, than apply into the LCM equation.

GCF(18020,18032) = 4
LCM(18020,18032) = ( 18020 × 18032) / 4
LCM(18020,18032) = 324936640 / 4
LCM(18020,18032) = 81234160

Least Common Multiple (LCM) of 18020 and 18032 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18020 and 18032. First we will calculate the prime factors of 18020 and 18032.

Prime Factorization of 18020

Prime Factorization of 18032

Now multiplying the highest exponent prime factors to calculate the LCM of 18020 and 18032.

LCM(18020,18032) = 2⁴ × 5¹ × 17¹ × 53¹ × 7² × 23¹
LCM(18020,18032) = 81234160