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# Proth primes of the form 7•2n+1

 Reserved! This sequence is currently part of Multi Reservation 20: PrimeGrid Fermat Divisor Search.

## Current data

 k-value : 7 Count : 41 Nash : 2144 Max n : 7,620,000 Date : 2020-12-28 Reserved : PrimeGrid
 2, 4, 6[1], 14[2], 20[3], 26, 50[4], 52[5], 92[6], 120[7], 174[8], 180[9], 190, 290[10], 320[11], 390[12], 432[13], 616[14], 830[15], 1804[16], 2256, 6614[17], 13496, 15494, 16696[18], 22386[19], 54486[20], 88066, 95330[21], 207084, 283034, 561816[22], 804534[23], 811230[24], 1491852[25], 2139912[26], 2167800[27], 2915954[28], 3015762, 3511774[29], 18233956[30]

## Notes

1. Divides: GF(4,10)
2. Divides: F(12)
3. S.G. n=20, Divides: GF(19,5)
4. Divides: GF(49,3)
5. Divides: GF(51,12)
6. Divides: GF(91,12)
7. Divides: F(117)
8. Divides: GF(171,5)
9. Divides: GF(179,10)
10. Divides: F(284)
11. Divides: F(316), GF(319,3), GF(319,6), GF(319,12)
12. S.G. n=390, Divides: GF(389,6)
13. Divides: GF(431,6)
14. Divides: GF(615,10)
15. Divides: GF(828,5), GF(829,6)
16. Divides: GF(1803,5), GF(1803,12)
17. Divides: GF(6612,10)
18. Divides: GF(16695,5)
19. Divides: GF(22385,6)
20. Divides: GF(54485,3)
21. Divides: F(95328), GF(95329,3), GF(95329,6), GF(95329,12)
22. Divides: GF(561815,5), GF(561815,6)
23. Divides: GF(804533,12)
24. Divides: GF(811228,5)
25. Divides: GF(1491851,6)
26. Divides: GF(2139911,12)
27. Divides: F(2167797), GF(2167799,5), GF(2167799,10)
28. Divides: GF(2915953,12)
29. Divides: GF(3511773,6)