What is the Least Common Multiple of 86128 and 86139?

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 86128 and 86139 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86128 and 86139, than apply into the LCM equation.

GCF(86128,86139) = 1
LCM(86128,86139) = ( 86128 × 86139) / 1
LCM(86128,86139) = 7418979792 / 1
LCM(86128,86139) = 7418979792

Least Common Multiple (LCM) of 86128 and 86139 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86128 and 86139. First we will calculate the prime factors of 86128 and 86139.

Prime Factorization of 86128

Prime Factorization of 86139

Now multiplying the highest exponent prime factors to calculate the LCM of 86128 and 86139.

LCM(86128,86139) = 2⁴ × 7¹ × 769¹ × 3² × 17¹ × 563¹
LCM(86128,86139) = 7418979792