What is the Least Common Multiple of 89405 and 89418?

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 89405 and 89418 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89405 and 89418, than apply into the LCM equation.

GCF(89405,89418) = 1
LCM(89405,89418) = ( 89405 × 89418) / 1
LCM(89405,89418) = 7994416290 / 1
LCM(89405,89418) = 7994416290

Least Common Multiple (LCM) of 89405 and 89418 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89405 and 89418. First we will calculate the prime factors of 89405 and 89418.

Prime Factorization of 89405

Prime Factorization of 89418

Now multiplying the highest exponent prime factors to calculate the LCM of 89405 and 89418.

LCM(89405,89418) = 5¹ × 17881¹ × 2¹ × 3¹ × 7¹ × 2129¹
LCM(89405,89418) = 7994416290