ProthRange

Status of search for primes k.2ⁿ+1

9 < k < 31 & 1,300,000 < n < 3,100,000

Recently reserved ranges | Reserve or submit a range

Color legend: completed (X) being tested available

k \ n x 1000 1300-1320 1320-1340 1340-1360 1360-1380 1380-1400 1400-1420 1420-1440 1440-1460 1460-1480 1480-1500 1500-1520 1520-1540 1540-1560 1560-1580 1580-1600
9 X X X X X X X X X X X X X
11 X X X X X X X X X X X X X X X
13 X X X X X X X X X X X X X X X
15 X X X X X X X X X X cc X X X X
17 X X X X X X X X X X X X X X X
19 X X X X X X X X X X X X X X X
21 X X X X X X X X X X X X X X X
23 X X X X X X X X mc mc mc mc mc mc mc
25 X X X X X X X X X X X X X X X
27 X X X X X X X X X X X cc X X X
29 X X X X X X X X X X X X X X X
31 X X X X X X

k \ n x 1000 1600-1620 1620-1640 1640-1660 1660-1680 1680-1700 1700-1720 1720-1740 1740-1760 1760-1780 1780-1800 1800-1820 1820-1840 1840-1860 1860-1880 1880-1900
9
11 X
13 X X X X X X X X X X X X X X X
15 X X X X X X X X (to 1750)
17 pg pg pg pg pg X X X X X X X X X X
19 X X X X X X X X X X X X X X X
21 X X X X X cc cc cc cc X X X X X X
23
25 X X X X X X X X X cc cc cc cc cc cc
27 X X X X cc X cc cc
29
31

k \ n x 1000 1900-1920 1920-1940 1940-1960 1960-1980 1980-2000 2000-2020 2020-2040 2040-2060 2060-2080 2080-2100 2100-2120 2120-2140 2140-2160 2160-2180 2180-2200
9
11
13 X X X X X X X X X X X X X X X
15
17 X X X X X X X X X X X X X X X
19 X X X X X X X X X X X X X X X
21 X cc cc cc cc
23
25 cc cc cc cc cc
27
29
31

k \ n x 1000 2200-2220 2220-2240 2240-2260 2260-2280 2280-2300 2300-2320 2320-2340 2340-2360 2360-2380 2380-2400 2400-2420 2420-2440 2440-2460 2460-2480 2480-2500
9
11
13 X X X X X X X X X X X X X X X
15
17 X X X X X X X X X X X X X X X
19 X X X X X X X X X X X X X X X
21
23
25
27
29
31

k \ n x 1000 2500-2520 2520-2540 2540-2560 2560-2580 2580-2600 2600-2620 2620-2640 2640-2660 2660-2680 2680-2700 2700-2720 2720-2740 2740-2760 2760-2780 2780-2800
9
11
13 X X X X X X X X X X X X X X X
15
17 X X X X X X X X X X X X X X X
19 jb jb jb jb jb jb jb jb jb jb
21
23
25
27
29
31

k \ n x 1000 2800-2820 2820-2840 2840-2860 2860-2880 2880-2900 2900-2920 2920-2940 2940-2960 2960-2980 2980-3000 3000-3020 3020-3040 3040-3060 3060-3080 3080-3100
9
11
13 X X X X X X X X X X pg pg pg pg pg
15
17 X X X X X pg pg pg pg pg
19
21
23
25
27
29
31

Searcher Codes

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

URL: http://www.prothsearch.net/range02.html
Last Modified: Jun 11, 2008

k \ n x 1000	2800-2820	2820-2840	2840-2860	2860-2880	2880-2900	2900-2920	2920-2940	2940-2960	2960-2980	2980-3000	3000-3020	3020-3040	3040-3060	3060-3080	3080-3100
9
11
13	X	X	X	X	X	X	X	X	X	X	pg	pg	pg	pg	pg
15
17	X	X	X	X	X	pg	pg	pg	pg	pg
19
21
23
25
27
29
31

Status of search for primes k.2n+1

9 < k < 31 & 1,300,000 < n < 3,100,000

Status of search for primes k.2ⁿ+1