What is the Least Common Multiple of 89999 and 90011?

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 90011 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 90011, than apply into the LCM equation.

GCF(89999,90011) = 1
LCM(89999,90011) = ( 89999 × 90011) / 1
LCM(89999,90011) = 8100899989 / 1
LCM(89999,90011) = 8100899989

Least Common Multiple (LCM) of 89999 and 90011 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89999 and 90011. First we will calculate the prime factors of 89999 and 90011.

Prime Factorization of 89999

Prime Factorization of 90011

Now multiplying the highest exponent prime factors to calculate the LCM of 89999 and 90011.

LCM(89999,90011) = 7¹ × 13¹ × 23¹ × 43¹ × 90011¹
LCM(89999,90011) = 8100899989