I5S TllEOR CIRCA DIVISORES KVMER. at, 



38W-17 

 38/;;- 23 



3 8/;;- 25 



38W-35 

 \\\> igitur thcorcniatis continctur indolcs formiiLuiim a a 

 -^qbh ^ li q fucrit numcrus primus , nc primum qui- 

 dcm vidimus onincs diuiliircs primos huiusmcxli formuLi- 

 nim cfTc vcl 2 vcl </, vel in talibus cxprclhonibus ^qui 

 --\- a ita comprchcndi poflc , vt nulkis diuilor in iis non 

 continciuur , tum vcro, vt omnis numcrus primus ^//w^-c. 

 limul fit diiiifor formul:ic cuius^lam aa-Y~qbb. Dcindc 

 ctiam boc coUigcrc licct , fi niimcrus primus formac 4^;« 

 -\-a fucrit diuifor cuiusqimm numcri aa~{-qbbj tum 

 nulium numcrum f()rmac ^qm — a diuilbrcm cfli poflTc 

 ciusdcm cxprcflionis aa-\-qbb. Cum igitur intcr formas 

 rliuilbrum f>rmnl.ic aa~^-qbb icmpcr contincatiir hacc 

 A^mq-\-r manili-ltum cfl , nullum numcrum aa-\-qbb 

 diuidi poflc pcr vlliim numcnim formac \mq—i. Dc- 

 nique attcndenti manifcftuni fiet , fi q fucrit numcnis pri- 

 mus formae 4« — i , tum diiiiforum formas ad numcnim 

 duplo minorcm rcdigi pofll-, ita vt ad f)rmu!as 2^ ;/;-{-« 

 rciiocnri qucant , qnod ficri ncquit , fi q fit niimcrus pri- 

 mus fijrmac £^n-\-\. Si igitiir pro h.ic f()rnia aa-\- 

 [Af.n-\-\)bb diuifor fiicrit 4(4«-!- i )//;H-a, tum nuUiis 

 numcrus fJ)rmac iflius 4(4;;-j-i)//;-H2(4«-t-i)-^-«i 

 potcrit cfll' diiiifor ciusdcm cxprcfllonis <7<7H-(4/;-}- i)^^. 

 Plurcs annotationcs facicmus , cum ctiam fbrmulas aa-\-- 

 qbb ., qaindo q non cft numcnis primiis , fueiimus con- 

 tcmplati. 



Tlico- 



