What is the Least Common Multiple of 16666 and 16686?

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 16666 and 16686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16666 and 16686, than apply into the LCM equation.

GCF(16666,16686) = 2
LCM(16666,16686) = ( 16666 × 16686) / 2
LCM(16666,16686) = 278088876 / 2
LCM(16666,16686) = 139044438

Least Common Multiple (LCM) of 16666 and 16686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16666 and 16686. First we will calculate the prime factors of 16666 and 16686.

Prime Factorization of 16666

Prime Factorization of 16686

Now multiplying the highest exponent prime factors to calculate the LCM of 16666 and 16686.

LCM(16666,16686) = 2¹ × 13¹ × 641¹ × 3⁴ × 103¹
LCM(16666,16686) = 139044438