What is the Least Common Multiple of 89428 and 89432?

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 89428 and 89432 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89428 and 89432, than apply into the LCM equation.

GCF(89428,89432) = 4
LCM(89428,89432) = ( 89428 × 89432) / 4
LCM(89428,89432) = 7997724896 / 4
LCM(89428,89432) = 1999431224

Least Common Multiple (LCM) of 89428 and 89432 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89428 and 89432. First we will calculate the prime factors of 89428 and 89432.

Prime Factorization of 89428

Prime Factorization of 89432

Now multiplying the highest exponent prime factors to calculate the LCM of 89428 and 89432.

LCM(89428,89432) = 2³ × 79¹ × 283¹ × 7¹ × 1597¹
LCM(89428,89432) = 1999431224