What is the Least Common Multiple of 13228 and 13240?

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 13228 and 13240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13228 and 13240, than apply into the LCM equation.

GCF(13228,13240) = 4
LCM(13228,13240) = ( 13228 × 13240) / 4
LCM(13228,13240) = 175138720 / 4
LCM(13228,13240) = 43784680

Least Common Multiple (LCM) of 13228 and 13240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13228 and 13240. First we will calculate the prime factors of 13228 and 13240.

Prime Factorization of 13228

Prime Factorization of 13240

Now multiplying the highest exponent prime factors to calculate the LCM of 13228 and 13240.

LCM(13228,13240) = 2³ × 3307¹ × 5¹ × 331¹
LCM(13228,13240) = 43784680