What is the Least Common Multiple of 12328 and 12340?

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 12328 and 12340 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12328 and 12340, than apply into the LCM equation.

GCF(12328,12340) = 4
LCM(12328,12340) = ( 12328 × 12340) / 4
LCM(12328,12340) = 152127520 / 4
LCM(12328,12340) = 38031880

Least Common Multiple (LCM) of 12328 and 12340 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12328 and 12340. First we will calculate the prime factors of 12328 and 12340.

Prime Factorization of 12328

Prime Factorization of 12340

Now multiplying the highest exponent prime factors to calculate the LCM of 12328 and 12340.

LCM(12328,12340) = 2³ × 23¹ × 67¹ × 5¹ × 617¹
LCM(12328,12340) = 38031880