What is the Least Common Multiple of 18075 and 18090?

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 18075 and 18090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18075 and 18090, than apply into the LCM equation.

GCF(18075,18090) = 15
LCM(18075,18090) = ( 18075 × 18090) / 15
LCM(18075,18090) = 326976750 / 15
LCM(18075,18090) = 21798450

Least Common Multiple (LCM) of 18075 and 18090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18075 and 18090. First we will calculate the prime factors of 18075 and 18090.

Prime Factorization of 18075

Prime Factorization of 18090

Now multiplying the highest exponent prime factors to calculate the LCM of 18075 and 18090.

LCM(18075,18090) = 3³ × 5² × 241¹ × 2¹ × 67¹
LCM(18075,18090) = 21798450