Prime Decomposition of 7th Fermat Number/Mistake

Source Work

 * The Dictionary
 * $257$
 * $257$


 * The Dictionary
 * $257$
 * $257$

Mistake

 * Thus, in $1909$, Moorhead and Western proved that $F_7$ and $F_8$ are composite, without producing any factors.

Correction
It is not Moorhead, but .