What is the Least Common Multiple of 86390 and 86399?

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 86390 and 86399 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86390 and 86399, than apply into the LCM equation.

GCF(86390,86399) = 1
LCM(86390,86399) = ( 86390 × 86399) / 1
LCM(86390,86399) = 7464009610 / 1
LCM(86390,86399) = 7464009610

Least Common Multiple (LCM) of 86390 and 86399 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86390 and 86399. First we will calculate the prime factors of 86390 and 86399.

Prime Factorization of 86390

Prime Factorization of 86399

Now multiplying the highest exponent prime factors to calculate the LCM of 86390 and 86399.

LCM(86390,86399) = 2¹ × 5¹ × 53¹ × 163¹ × 86399¹
LCM(86390,86399) = 7464009610