Definition:Mersenne Prime/Mistake

Source Work

 * Mersenne numbers or Mersenne primes
 * Mersenne numbers or Mersenne primes

Mistake

 * ... the largest known is $2^{11,213} - 1$.

Correction
As of $1963$ this was true.

However, the next one, that is, $2^{19,937} - 1$, was discovered in $1971$.

As the was published in $1989$, this was so inaccurate as for this to be classified as a mistake.