What is the Least Common Multiple of 66858 and 66867?

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 66858 and 66867 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66858 and 66867, than apply into the LCM equation.

GCF(66858,66867) = 3
LCM(66858,66867) = ( 66858 × 66867) / 3
LCM(66858,66867) = 4470593886 / 3
LCM(66858,66867) = 1490197962

Least Common Multiple (LCM) of 66858 and 66867 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66858 and 66867. First we will calculate the prime factors of 66858 and 66867.

Prime Factorization of 66858

Prime Factorization of 66867

Now multiplying the highest exponent prime factors to calculate the LCM of 66858 and 66867.

LCM(66858,66867) = 2¹ × 3¹ × 11¹ × 1013¹ × 31¹ × 719¹
LCM(66858,66867) = 1490197962