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Proth primes of the form 19•2n+1
Current data
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Notes
- ↑ Divides xGF(5,8,5), xGF(5,9,5), xGF(4,9,8), xGF(5,11,4)
- ↑ Divides GF(9,5)
- ↑ Divides xGF(45,8,5), xGF(45,11,2)
- ↑ Divides xGF(365,5,4), xGF(365,8,7), xGF(360,10,7)
- ↑ Divides GF(1243,7), xGF(1244,6,5)
- ↑ Divides xGF(2037,5,4), xGF(2035,11,4), xGF(2037,11,5)
- ↑ Divides xGF(4382,11,10)
- ↑ Divides GF(4437,6)
- ↑ Divides F(6835), GF(6837,5), GF(6837,10), xGF(6837,5,2), xGF(6837,5,4), xGF(6837,8,5)
- ↑ Divides GF(7496,11), xGF(7497,5,2)
- ↑ Divides xGF(7997,5,4), xGF(7997,8,7), xGF(7992,10,7)
- ↑ Divides F(9448), GF(9449,7), xGF(9449,7,2), xGF(9449,7,4), xGF(9449,8,7)
- ↑ Divides xGF(11889,3,2), xGF(11888,8,7), xGF(11889,12,7)
- ↑ Divides GF(17033,5), xGF(17032,7,6)
- ↑ Divides F(23288), GF(23287,7), xGF(23288,7,2), xGF(23285,7,4), xGF(23288,8,7)
- ↑ Divides xGF(73335,5,3)
- ↑ Divides GF(149145,5), GF(149145,12), xGF(149144,12,5)
- ↑ Divides xGF(323637,8,5)
- ↑ Divides xGF(853545,4,3)
- ↑ Divides xGF(2206264,5,3)
- ↑ Divides xGF(6833083,5,3)
History
- 2021-04-01: Checked to n = 9000000, PrimeGrid Fermat Divisor Search
- 2020-10-25: Found n = 6833086, Jiri Jaros, PrimeGrid
- 1979: Checked n = 1500 - 4000, Gordon V. Cormack, Hugh C. Williams
- 1979: Found n = 2038, Gordon V. Cormack, Hugh C. Williams