GCF and LCM Calculator Logo

What is the Least Common Multiple of 18328 and 18340?

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 (LCM) of 18328 and 18340 is 84033880.

LCM(18328,18340) = 84033880

LCM Calculator and
and

Least Common Multiple of 18328 and 18340 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18328 and 18340, than apply into the LCM equation.

GCF(18328,18340) = 4
LCM(18328,18340) = ( 18328 × 18340) / 4
LCM(18328,18340) = 336135520 / 4
LCM(18328,18340) = 84033880

Least Common Multiple (LCM) of 18328 and 18340 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18328 and 18340. First we will calculate the prime factors of 18328 and 18340.

Prime Factorization of 18328

Prime factors of 18328 are 2, 29, 79. Prime factorization of 18328 in exponential form is:

18328 = 23 × 291 × 791

Prime Factorization of 18340

Prime factors of 18340 are 2, 5, 7, 131. Prime factorization of 18340 in exponential form is:

18340 = 22 × 51 × 71 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 18328 and 18340.

LCM(18328,18340) = 23 × 291 × 791 × 51 × 71 × 1311
LCM(18328,18340) = 84033880