What is the Least Common Multiple of 89728 and 89740?

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 89728 and 89740 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89728 and 89740, than apply into the LCM equation.

GCF(89728,89740) = 4
LCM(89728,89740) = ( 89728 × 89740) / 4
LCM(89728,89740) = 8052190720 / 4
LCM(89728,89740) = 2013047680

Least Common Multiple (LCM) of 89728 and 89740 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89728 and 89740. First we will calculate the prime factors of 89728 and 89740.

Prime Factorization of 89728

Prime Factorization of 89740

Now multiplying the highest exponent prime factors to calculate the LCM of 89728 and 89740.

LCM(89728,89740) = 2⁷ × 701¹ × 5¹ × 7¹ × 641¹
LCM(89728,89740) = 2013047680