What is the Least Common Multiple of 28587 and 28605?

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 28587 and 28605 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28587 and 28605, than apply into the LCM equation.

GCF(28587,28605) = 3
LCM(28587,28605) = ( 28587 × 28605) / 3
LCM(28587,28605) = 817731135 / 3
LCM(28587,28605) = 272577045

Least Common Multiple (LCM) of 28587 and 28605 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28587 and 28605. First we will calculate the prime factors of 28587 and 28605.

Prime Factorization of 28587

Prime Factorization of 28605

Now multiplying the highest exponent prime factors to calculate the LCM of 28587 and 28605.

LCM(28587,28605) = 3¹ × 13¹ × 733¹ × 5¹ × 1907¹
LCM(28587,28605) = 272577045