What is the Least Common Multiple of 90020 and 90039?

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 90020 and 90039 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90020 and 90039, than apply into the LCM equation.

GCF(90020,90039) = 1
LCM(90020,90039) = ( 90020 × 90039) / 1
LCM(90020,90039) = 8105310780 / 1
LCM(90020,90039) = 8105310780

Least Common Multiple (LCM) of 90020 and 90039 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90020 and 90039. First we will calculate the prime factors of 90020 and 90039.

Prime Factorization of 90020

Prime Factorization of 90039

Now multiplying the highest exponent prime factors to calculate the LCM of 90020 and 90039.

LCM(90020,90039) = 2² × 5¹ × 7¹ × 643¹ × 3¹ × 30013¹
LCM(90020,90039) = 8105310780