What is the Least Common Multiple of 39843 and 39861?

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 39843 and 39861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39843 and 39861, than apply into the LCM equation.

GCF(39843,39861) = 9
LCM(39843,39861) = ( 39843 × 39861) / 9
LCM(39843,39861) = 1588181823 / 9
LCM(39843,39861) = 176464647

Least Common Multiple (LCM) of 39843 and 39861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39843 and 39861. First we will calculate the prime factors of 39843 and 39861.

Prime Factorization of 39843

Prime Factorization of 39861

Now multiplying the highest exponent prime factors to calculate the LCM of 39843 and 39861.

LCM(39843,39861) = 3² × 19¹ × 233¹ × 43¹ × 103¹
LCM(39843,39861) = 176464647