What is the Least Common Multiple of 3831 and 3846?

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 3831 and 3846 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3831 and 3846, than apply into the LCM equation.

GCF(3831,3846) = 3
LCM(3831,3846) = ( 3831 × 3846) / 3
LCM(3831,3846) = 14734026 / 3
LCM(3831,3846) = 4911342

Least Common Multiple (LCM) of 3831 and 3846 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3831 and 3846. First we will calculate the prime factors of 3831 and 3846.

Prime Factorization of 3831

Prime Factorization of 3846

Now multiplying the highest exponent prime factors to calculate the LCM of 3831 and 3846.

LCM(3831,3846) = 3¹ × 1277¹ × 2¹ × 641¹
LCM(3831,3846) = 4911342