Proth Search Page

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Contents
 
Primes  k · 2n + 1  List of primes for k < 300
List of primes for 300 < k < 600
List of primes for 600 < k < 900
List of primes for 900 < k < 1200
History
Fermat numbers Standard factoring status
Factors of generalized Fermat numbers  
GFN03 factoring status
GFN05 factoring status
GFN06 factoring status
GFN07 factoring status
GFN10 factoring status
GFN11 factoring status
GFN12 factoring status
Search limits and reservations
Primes  k · 2n − 1  List of primes for k < 300
The Sierpiński problem   Definition and status
The Riesel problem Definition and status
Cullen primes Definition and status
Woodall primes Definition and status



Last modified: February 22, 2017.