What is the Least Common Multiple of 39861 and 39867?

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 39861 and 39867 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39861 and 39867, than apply into the LCM equation.

GCF(39861,39867) = 3
LCM(39861,39867) = ( 39861 × 39867) / 3
LCM(39861,39867) = 1589138487 / 3
LCM(39861,39867) = 529712829

Least Common Multiple (LCM) of 39861 and 39867 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39861 and 39867. First we will calculate the prime factors of 39861 and 39867.

Prime Factorization of 39861

Prime Factorization of 39867

Now multiplying the highest exponent prime factors to calculate the LCM of 39861 and 39867.

LCM(39861,39867) = 3² × 43¹ × 103¹ × 97¹ × 137¹
LCM(39861,39867) = 529712829