ProthRange

Status of search for primes k.2ⁿ+1

801 < k < 899 & 200,000 < n < 800,000

Recently reserved ranges | Reserve or submit a range

Color legend: completed (X) being tested available

k \ n x 1000 200-220 220-240 240-260 260-280 280-300 300-320 320-340 340-360 360-380 380-400 400-420 420-440 440-460 460-480 480-500
801 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
803 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
805 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
807 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
809 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
811 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
813 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
815 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
817 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
819 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
821 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
823 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
825 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
827 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
829 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
831 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
833 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
835 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
837 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
839 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
841 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
843 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
845 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
847 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
849 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
851 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
853 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
855 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
857 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
859 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
861 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
863 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
865 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
867 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
869 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
871 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
873 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
875 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
877 grid grid grid grid grid grid grid grid grid grid grid X grid grid grid
879 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
881 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
883 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
885 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
887 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
889 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
891 grid grid grid grid grid grid grid grid grid grid X X grid grid grid
893 X X X X X X grid grid grid grid X X grid grid grid
895 X X X X X X grid grid grid grid X X grid grid grid
897 X X X X X X grid grid grid grid X X grid grid grid
899 X X X X X X grid grid grid grid X X grid grid grid

k \ n x 1000 500-520 520-540 540-560 560-580 580-600 600-620 620-640 640-660 660-680 680-700 700-720 720-740 740-760 760-780 780-800
801 re re
803 re re
805 re re
807 re re
809 re re
811 re re
813 re re
815 re re
817 re re
819 re re
821 re re
823 re re
825 re re
827 re re
829 re re
831 re re
833 re pg pg pg pg
835 re
837 re
839 re
841 re
843 re
845 re
847 re
849 re
851 X
853 X
855 X
857 X
859 X
861 X
863 X
865 X
867 X
869 X
871 X
873 X
875 X
877 X
879 X
881 X
883 X
885 X
887 X
889 X
891 X
893 X
895 X
897 X
899 X

Searcher Codes

If you have any questions, you can e-mail Mark Rodenkirch or Ray Ballinger

URL: http://www.prothsearch.net/range11.html
Last Modified: Jun 11, 2008

k \ n x 1000	500-520	520-540	540-560	560-580	580-600	600-620	620-640	640-660	660-680	680-700	700-720	720-740	740-760	760-780	780-800
801	re					re
803	re					re
805	re					re
807	re					re
809	re					re
811	re					re
813	re					re
815	re					re
817	re					re
819	re					re
821	re					re
823	re					re
825	re					re
827	re					re
829	re					re
831	re					re
833	re	pg	pg	pg	pg
835	re
837	re
839	re
841	re
843	re
845	re
847	re
849	re
851	X
853	X
855	X
857	X
859	X
861	X
863	X
865	X
867	X
869	X
871	X
873	X
875	X
877	X
879	X
881	X
883	X
885	X
887	X
889	X
891	X
893	X
895	X
897	X
899	X

Status of search for primes k.2n+1

801 < k < 899 & 200,000 < n < 800,000

Status of search for primes k.2ⁿ+1