Feit-Thompson Conjecture/Stronger/Mistake

Source Work

First Edition

1986: David Wells: Curious and Interesting Numbers:

The Dictionary

$17$

The only known prime values for which $p^q - 1$ and $q^p - 1$ have a common factor less than $400,000$ are $17$ and $3313$. The common factor is $112,643$.

Second Edition

1997: David Wells: Curious and Interesting Numbers (2nd ed.):

The Dictionary

$17$

The only known prime values for which $p^p - 1$ and $q^q - 1$ have a common factor less than $400,000$ are $17$ and $3313$. The common factor is $112,643$.