What is the Least Common Multiple of 90018 and 90028?

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 90018 and 90028 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90018 and 90028, than apply into the LCM equation.

GCF(90018,90028) = 2
LCM(90018,90028) = ( 90018 × 90028) / 2
LCM(90018,90028) = 8104140504 / 2
LCM(90018,90028) = 4052070252

Least Common Multiple (LCM) of 90018 and 90028 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90018 and 90028. First we will calculate the prime factors of 90018 and 90028.

Prime Factorization of 90018

Prime Factorization of 90028

Now multiplying the highest exponent prime factors to calculate the LCM of 90018 and 90028.

LCM(90018,90028) = 2² × 3³ × 1667¹ × 71¹ × 317¹
LCM(90018,90028) = 4052070252