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Riesel primes of the form 19551•2n-1
Current data
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Notes
- ↑ Twin n=17
- ↑ Twin n=19
- ↑ Sophie Germain n=45
- ↑ Sophie Germain n=50
- ↑ Sophie Germain n=74
- ↑ Sophie Germain n=3573
History
- 2021-12-07: Checked to n = 200000, Alexander Jones, released
- 2021-12-03: Checked to n = 50000, Alexander Jones
- 2021-12-03: Reserved by Alexander Jones
- 2011-11-23: Checked to n = 1007, Gary Barnes
- 2004-10-13: Found n = 173553, David Underbakke