What is the Least Common Multiple of 12831 and 12843?

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 12831 and 12843 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12831 and 12843, than apply into the LCM equation.

GCF(12831,12843) = 3
LCM(12831,12843) = ( 12831 × 12843) / 3
LCM(12831,12843) = 164788533 / 3
LCM(12831,12843) = 54929511

Least Common Multiple (LCM) of 12831 and 12843 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12831 and 12843. First we will calculate the prime factors of 12831 and 12843.

Prime Factorization of 12831

Prime Factorization of 12843

Now multiplying the highest exponent prime factors to calculate the LCM of 12831 and 12843.

LCM(12831,12843) = 3² × 7¹ × 13¹ × 47¹ × 1427¹
LCM(12831,12843) = 54929511