What is the Least Common Multiple of 6668 and 6686?

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 6668 and 6686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6668 and 6686, than apply into the LCM equation.

GCF(6668,6686) = 2
LCM(6668,6686) = ( 6668 × 6686) / 2
LCM(6668,6686) = 44582248 / 2
LCM(6668,6686) = 22291124

Least Common Multiple (LCM) of 6668 and 6686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6668 and 6686. First we will calculate the prime factors of 6668 and 6686.

Prime Factorization of 6668

Prime Factorization of 6686

Now multiplying the highest exponent prime factors to calculate the LCM of 6668 and 6686.

LCM(6668,6686) = 2² × 1667¹ × 3343¹
LCM(6668,6686) = 22291124