GCF and LCM Calculator Logo

What is the Least Common Multiple of 12843 and 12861?

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 12843 and 12861 is 18352647.

LCM(12843,12861) = 18352647

LCM Calculator and
and

Least Common Multiple of 12843 and 12861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12843 and 12861, than apply into the LCM equation.

GCF(12843,12861) = 9
LCM(12843,12861) = ( 12843 × 12861) / 9
LCM(12843,12861) = 165173823 / 9
LCM(12843,12861) = 18352647

Least Common Multiple (LCM) of 12843 and 12861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12843 and 12861. First we will calculate the prime factors of 12843 and 12861.

Prime Factorization of 12843

Prime factors of 12843 are 3, 1427. Prime factorization of 12843 in exponential form is:

12843 = 32 × 14271

Prime Factorization of 12861

Prime factors of 12861 are 3, 1429. Prime factorization of 12861 in exponential form is:

12861 = 32 × 14291

Now multiplying the highest exponent prime factors to calculate the LCM of 12843 and 12861.

LCM(12843,12861) = 32 × 14271 × 14291
LCM(12843,12861) = 18352647