What is the Least Common Multiple of 69861 and 69867?

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 69861 and 69867 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69861 and 69867, than apply into the LCM equation.

GCF(69861,69867) = 3
LCM(69861,69867) = ( 69861 × 69867) / 3
LCM(69861,69867) = 4880978487 / 3
LCM(69861,69867) = 1626992829

Least Common Multiple (LCM) of 69861 and 69867 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69861 and 69867. First we will calculate the prime factors of 69861 and 69867.

Prime Factorization of 69861

Prime Factorization of 69867

Now multiplying the highest exponent prime factors to calculate the LCM of 69861 and 69867.

LCM(69861,69867) = 3² × 11¹ × 29¹ × 73¹ × 7¹ × 1109¹
LCM(69861,69867) = 1626992829