What is the Least Common Multiple of 12591 and 12605?

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 12591 and 12605 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12591 and 12605, than apply into the LCM equation.

GCF(12591,12605) = 1
LCM(12591,12605) = ( 12591 × 12605) / 1
LCM(12591,12605) = 158709555 / 1
LCM(12591,12605) = 158709555

Least Common Multiple (LCM) of 12591 and 12605 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12591 and 12605. First we will calculate the prime factors of 12591 and 12605.

Prime Factorization of 12591

Prime Factorization of 12605

Now multiplying the highest exponent prime factors to calculate the LCM of 12591 and 12605.

LCM(12591,12605) = 3² × 1399¹ × 5¹ × 2521¹
LCM(12591,12605) = 158709555