What is the Least Common Multiple of 11321 and 11340?

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 11321 and 11340 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11321 and 11340, than apply into the LCM equation.

GCF(11321,11340) = 1
LCM(11321,11340) = ( 11321 × 11340) / 1
LCM(11321,11340) = 128380140 / 1
LCM(11321,11340) = 128380140

Least Common Multiple (LCM) of 11321 and 11340 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11321 and 11340. First we will calculate the prime factors of 11321 and 11340.

Prime Factorization of 11321

Prime Factorization of 11340

Now multiplying the highest exponent prime factors to calculate the LCM of 11321 and 11340.

LCM(11321,11340) = 11321¹ × 2² × 3⁴ × 5¹ × 7¹
LCM(11321,11340) = 128380140