And this proposition is generally true for all progressions and for all prime numbers; the proof of which I would send to you, if I were not afraid to be too long.


Letter to his friend and confidant Frénicle de Bessy (October 18, 1640)


And this proposition is generally true for all progressions and for all prime numbers; the proof of which I would send to you, if I were not afraid...

And this proposition is generally true for all progressions and for all prime numbers; the proof of which I would send to you, if I were not afraid...

And this proposition is generally true for all progressions and for all prime numbers; the proof of which I would send to you, if I were not afraid...

And this proposition is generally true for all progressions and for all prime numbers; the proof of which I would send to you, if I were not afraid...