What is the Least Common Multiple of 89401 and 89405?

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 89401 and 89405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89401 and 89405, than apply into the LCM equation.

GCF(89401,89405) = 1
LCM(89401,89405) = ( 89401 × 89405) / 1
LCM(89401,89405) = 7992896405 / 1
LCM(89401,89405) = 7992896405

Least Common Multiple (LCM) of 89401 and 89405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89401 and 89405. First we will calculate the prime factors of 89401 and 89405.

Prime Factorization of 89401

Prime Factorization of 89405

Now multiplying the highest exponent prime factors to calculate the LCM of 89401 and 89405.

LCM(89401,89405) = 13² × 23² × 5¹ × 17881¹
LCM(89401,89405) = 7992896405