What is the Least Common Multiple of 3858 and 3868?

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 3858 and 3868 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3858 and 3868, than apply into the LCM equation.

GCF(3858,3868) = 2
LCM(3858,3868) = ( 3858 × 3868) / 2
LCM(3858,3868) = 14922744 / 2
LCM(3858,3868) = 7461372

Least Common Multiple (LCM) of 3858 and 3868 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3858 and 3868. First we will calculate the prime factors of 3858 and 3868.

Prime Factorization of 3858

Prime Factorization of 3868

Now multiplying the highest exponent prime factors to calculate the LCM of 3858 and 3868.

LCM(3858,3868) = 2² × 3¹ × 643¹ × 967¹
LCM(3858,3868) = 7461372