What is the Least Common Multiple of 68570 and 68589?

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 68570 and 68589 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68570 and 68589, than apply into the LCM equation.

GCF(68570,68589) = 1
LCM(68570,68589) = ( 68570 × 68589) / 1
LCM(68570,68589) = 4703147730 / 1
LCM(68570,68589) = 4703147730

Least Common Multiple (LCM) of 68570 and 68589 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68570 and 68589. First we will calculate the prime factors of 68570 and 68589.

Prime Factorization of 68570

Prime Factorization of 68589

Now multiplying the highest exponent prime factors to calculate the LCM of 68570 and 68589.

LCM(68570,68589) = 2¹ × 5¹ × 6857¹ × 3² × 7621¹
LCM(68570,68589) = 4703147730