DE NVMERIS PRIMIS. 139 



Sit quinto r rrr 17 vt formula 30 q -4-. 17 di- 

 vifibilis efle debeat per 7, ideoque ponamus eam 

 rr 7 A fietque A zr 4 ? -4- 2 ■+- f; g; "tft j quocirca £ 

 efie debet m 2 et valores fequentes erunt 

 9, itf, 23, 30, 37, 44, 5i etc. 



Sit jsxto r — 19 et fiat 30 q -4- 19 rrr 7 A 

 ideoque A — 4 <7 -4- 2 4- * q ~*~% , manifefto hinc fit 

 jni fequentes autem valores erunt 

 8, 15, 22, 29, 36, 43, 50 etc. 



Sit feptimo r rrr 23 fietque 30 ^ -4- 23 rrr 7 A 

 hinc A — 4 q -4- 3 -4- 2 -Xrhi debet ergo efle ? rrr 6 

 et fequentes valores 



13, 20,-27, 34, 41, 48 etc. 



-Sit ottauo r rr: 29 et 30 q -4- 29 rrr 7 A ita , 

 vt A rz: 4 ? -4- 4. 4- U-rhJL hincque manifefto q == 3 



ct fequentes valores 



io", 17, 24, 31, 38, 45 etc. 



Corollarium 1. 



Quia areola, quae refpondet numeris [£==,,], 

 prima eft, .cui diuifor 7 eft infcribendus; omnes prae- 

 cedentes numeri in noftra tabula relati erunt primi, 

 ideoque eorum areolas charactere p impleri oportet. 



Corollarium 2. 



Quia igitur pro omnibus octo refiduis r mi- 

 nimos quotos q afiignauimus, quibus formula 30^+f 



S 2 per 



