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Proth primes of the form 19•2n+1
Current data
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Notes
- ↑ Is GF Divisor of xGF(5,8,5) [+3]
- ↑ Is GF Divisor of GF(9,5)
- ↑ Is GF Divisor of xGF(45,8,5) [+1]
- ↑ Is GF Divisor of xGF(365,5,4) [+2]
- ↑ Is GF Divisor of xGF(1244,6,5) [+1]
- ↑ Is GF Divisor of xGF(2037,5,4) [+2]
- ↑ Is GF Divisor of xGF(4382,11,10)
- ↑ Is GF Divisor of GF(4437,6)
- ↑ Is GF Divisor of F(6835) [+5]
- ↑ Is GF Divisor of xGF(7497,5,2) [+1]
- ↑ Is GF Divisor of xGF(7997,5,4) [+2]
- ↑ Is GF Divisor of F(9448) [+4]
- ↑ Is GF Divisor of xGF(11889,3,2) [+2]
- ↑ Is GF Divisor of GF(17033,5) [+1]
- ↑ Is GF Divisor of F(23288) [+4]
- ↑ Is GF Divisor of xGF(73335,5,3)
- ↑ Is GF Divisor of GF(149145,5) [+2]
- ↑ Is GF Divisor of xGF(323637,8,5)
- ↑ Is GF Divisor of xGF(853545,4,3)
- ↑ Is GF Divisor of xGF(2206264,5,3)
- ↑ Is GF Divisor of 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 Fermat Divisor Search (Official announcement)
- 2006-09-15: Found n = 2206266, Joseph Bohanon
- 2005-02-11: Found n = 853546, Joseph Bohanon
- 2002-11-25: Found n = 323638, Yves Gallot
- 1998-05-07: Found n = 149146, Yves Gallot
- 1995-08: Found n = 73338, Jeffrey Young
- 1992: Found n = 23290, Harvey Dubner
- 1992: Found n = 17034, Harvey Dubner
- 1983: Found n = 7498, Wilfrid Keller
- 1983: Found n = 4438, Wilfrid Keller
- 1983: Found n = 4386, Wilfrid Keller
- 1980: Found n = 11890, Wilfrid Keller
- 1980: Found n = 9450, Wilfrid Keller
- 1979: Checked n = 1500 - 4000, Gordon V. Cormack, Hugh C. Williams
- 1979: Found n = 2038, Gordon V. Cormack, Hugh C. Williams
- 1978: Found n = 6838, Wilfrid Keller