What is the Least Common Multiple of 6568 and 6581?

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 6568 and 6581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6568 and 6581, than apply into the LCM equation.

GCF(6568,6581) = 1
LCM(6568,6581) = ( 6568 × 6581) / 1
LCM(6568,6581) = 43224008 / 1
LCM(6568,6581) = 43224008

Least Common Multiple (LCM) of 6568 and 6581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6568 and 6581. First we will calculate the prime factors of 6568 and 6581.

Prime Factorization of 6568

Prime Factorization of 6581

Now multiplying the highest exponent prime factors to calculate the LCM of 6568 and 6581.

LCM(6568,6581) = 2³ × 821¹ × 6581¹
LCM(6568,6581) = 43224008