What is the Least Common Multiple of 23140 and 23148?

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 23140 and 23148 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23140 and 23148, than apply into the LCM equation.

GCF(23140,23148) = 4
LCM(23140,23148) = ( 23140 × 23148) / 4
LCM(23140,23148) = 535644720 / 4
LCM(23140,23148) = 133911180

Least Common Multiple (LCM) of 23140 and 23148 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23140 and 23148. First we will calculate the prime factors of 23140 and 23148.

Prime Factorization of 23140

Prime Factorization of 23148

Now multiplying the highest exponent prime factors to calculate the LCM of 23140 and 23148.

LCM(23140,23148) = 2² × 5¹ × 13¹ × 89¹ × 3² × 643¹
LCM(23140,23148) = 133911180