THEOR. CIRCA DinsORES NFMER. cct. 153 



Theorema 12. 



Nullus numcrus in vna fcqucntium fi^^rmularum contcntus 



10 7« - 



aojH- 



20 m- 



vilbr vilius numcri huius formae aa 



9; 10 m — ^ poteft cflc di- 



Sbb. 



Theorema i;^. 



Numcrorum in hnc fbrma aa-^-^jbb contcntorum diuifores 

 primi omnes limE vcl a vcl 7 vcl in vn:i fcquentium fex 



formularum 



2 8 w/ -f- I 

 28 m -h 9 

 c S ;;i -h - 5 



funt contcnti. 



28 ;// H- 1 1 



2 8 ;// -l- 1 5 



28 ;// -i-23 



fcu in vna harum trium 



14. m -{- I 

 14 ;/; -4- 9 



14.?/; +11 



Theorema 14. 



SJ fucrint nnmeri in iflis formulis iq;«-f-i, i^wi-f-p, 

 14W-I-11 contcnti primi , tum fimul in hac ft«.-ma « <? 

 7 ^ ^ contincntur. 



Theorema 15. 



Nullus mimerus huius formae aa-\-lbb potefl: diuidi pcr 

 vllum numcrum , qui in vna fcquentium iex fbrmularum 



feu harum trium 

 2 8 ;/7 -1- 3 , 2 8 ;// -H 5 1 4 ;;; -f-. 3 



2 8 ;;/ -h 1 3 , 2 8 w -h 1 7 14;;/-!- 5 



2 S ;// -4- 1 9 , 2 8 ;;/ -h -7 1 4 ;;/ H- 1 3 



contincatur. 



Theorema i5. 



Numcrorum in hac forma a a --^- 'i.^ b h contcntorum 

 lom. XIV. V omncs 



