What is the Least Common Multiple of 12831 and 12838?

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 12838 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 12838, than apply into the LCM equation.

GCF(12831,12838) = 7
LCM(12831,12838) = ( 12831 × 12838) / 7
LCM(12831,12838) = 164724378 / 7
LCM(12831,12838) = 23532054

Least Common Multiple (LCM) of 12831 and 12838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12831 and 12838. First we will calculate the prime factors of 12831 and 12838.

Prime Factorization of 12831

Prime Factorization of 12838

Now multiplying the highest exponent prime factors to calculate the LCM of 12831 and 12838.

LCM(12831,12838) = 3¹ × 7² × 13¹ × 47¹ × 2¹ × 131¹
LCM(12831,12838) = 23532054