"Proth, Francois"@en . . "1879Z"^^ . "1852Z"^^ . "Fran\u00E7ois Proth (1852 \u2013 1879) was a French self-taught mathematician farmer who lived in Vaux-devant-Damloup near Verdun, France.He stated four primality-related theorems. The most famous of these, Proth's theorem, can be used to test whether a Proth number (a number of the form k2n + 1 with k odd and k < 2n) is prime."@en . "French mathematician" . .