Feit-Thompson Conjecture

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Conjecture

There exist no distinct prime numbers $p$ and $q$ such that:

$\dfrac {p^q - 1} {p - 1}$ divides $\dfrac {q^p - 1} {q - 1}$


Stronger Feit-Thompson Conjecture

There exist no distinct prime numbers $p$ and $q$ such that:

$\dfrac {p^q - 1} {p - 1}$ and $\dfrac {q^p - 1} {q - 1}$ are coprime.


Source of Name

This entry was named for Walter Feit and John Griggs Thompson.