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Riesel primes of the form 9789•2n-1
Reserved! This sequence is currently reserved by: Alexander Jones |
Current data
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Notes
- ↑ Sophie Germain n=3
- ↑ Sophie Germain n=7
- ↑ Sophie Germain n=8
- ↑ Twin n=9
- ↑ Sophie Germain n=11
- ↑ Sophie Germain n=12
- ↑ Sophie Germain n=39
- ↑ Sophie Germain n=156
- ↑ Twin n=263
- ↑ Sophie Germain n=343
History
- 2022-03-02: Checked to n = 500000, Alexander Jones
- 2021-10-11: Reserved by Alexander Jones
- 2021-04-16: Checked to n = 150000, Alexander Jones
- 2021-04-11: Checked to n = 100000, Alexander Jones
- 2020-08-27: Checked to n = 50000, Karsten Bonath
- 2013-08-04: Found n = 998093, James P. Burt
- 2012-12-15: Found n = 923960, James P. Burt
- 2012-01-16: Found n = 856067, James P. Burt
- 2011-06-05: Found n = 487853, Lennart Vogel, Twin Prime Search
- 2011-05-19: Found n = 686007, James P. Burt
- 1998-12-08: Found n = 25136, Jim Buddenhagen