What is the Least Common Multiple of 89999 and 90019?

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 89999 and 90019 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89999 and 90019, than apply into the LCM equation.

GCF(89999,90019) = 1
LCM(89999,90019) = ( 89999 × 90019) / 1
LCM(89999,90019) = 8101619981 / 1
LCM(89999,90019) = 8101619981

Least Common Multiple (LCM) of 89999 and 90019 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89999 and 90019. First we will calculate the prime factors of 89999 and 90019.

Prime Factorization of 89999

Prime Factorization of 90019

Now multiplying the highest exponent prime factors to calculate the LCM of 89999 and 90019.

LCM(89999,90019) = 7¹ × 13¹ × 23¹ × 43¹ × 90019¹
LCM(89999,90019) = 8101619981