What is the Least Common Multiple of 89990 and 89994?

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 89990 and 89994 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89990 and 89994, than apply into the LCM equation.

GCF(89990,89994) = 2
LCM(89990,89994) = ( 89990 × 89994) / 2
LCM(89990,89994) = 8098560060 / 2
LCM(89990,89994) = 4049280030

Least Common Multiple (LCM) of 89990 and 89994 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89990 and 89994. First we will calculate the prime factors of 89990 and 89994.

Prime Factorization of 89990

Prime Factorization of 89994

Now multiplying the highest exponent prime factors to calculate the LCM of 89990 and 89994.

LCM(89990,89994) = 2¹ × 5¹ × 8999¹ × 3¹ × 53¹ × 283¹
LCM(89990,89994) = 4049280030