What is the Least Common Multiple of 76581 and 76589?

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 76581 and 76589 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76581 and 76589, than apply into the LCM equation.

GCF(76581,76589) = 1
LCM(76581,76589) = ( 76581 × 76589) / 1
LCM(76581,76589) = 5865262209 / 1
LCM(76581,76589) = 5865262209

Least Common Multiple (LCM) of 76581 and 76589 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76581 and 76589. First we will calculate the prime factors of 76581 and 76589.

Prime Factorization of 76581

Prime Factorization of 76589

Now multiplying the highest exponent prime factors to calculate the LCM of 76581 and 76589.

LCM(76581,76589) = 3² × 67¹ × 127¹ × 19¹ × 29¹ × 139¹
LCM(76581,76589) = 5865262209