What is the Least Common Multiple of 89625 and 89643?

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 89625 and 89643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89625 and 89643, than apply into the LCM equation.

GCF(89625,89643) = 3
LCM(89625,89643) = ( 89625 × 89643) / 3
LCM(89625,89643) = 8034253875 / 3
LCM(89625,89643) = 2678084625

Least Common Multiple (LCM) of 89625 and 89643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89625 and 89643. First we will calculate the prime factors of 89625 and 89643.

Prime Factorization of 89625

Prime Factorization of 89643

Now multiplying the highest exponent prime factors to calculate the LCM of 89625 and 89643.

LCM(89625,89643) = 3¹ × 5³ × 239¹ × 29881¹
LCM(89625,89643) = 2678084625