What is the Least Common Multiple of 31385 and 31389?

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 31385 and 31389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31385 and 31389, than apply into the LCM equation.

GCF(31385,31389) = 1
LCM(31385,31389) = ( 31385 × 31389) / 1
LCM(31385,31389) = 985143765 / 1
LCM(31385,31389) = 985143765

Least Common Multiple (LCM) of 31385 and 31389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31385 and 31389. First we will calculate the prime factors of 31385 and 31389.

Prime Factorization of 31385

Prime Factorization of 31389

Now multiplying the highest exponent prime factors to calculate the LCM of 31385 and 31389.

LCM(31385,31389) = 5¹ × 6277¹ × 3¹ × 10463¹
LCM(31385,31389) = 985143765