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Riesel primes of the form 20381•2n-1
Current data
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History
- 2021-07-20: Checked n = 375000 - 400000, Alexander Jones
- 2021-06-01: Checked n = 350000 - 375000, Alexander Jones
- 2021-01-13: Checked n = 325000 - 350000, Alexander Jones
- 2020-10-01: Checked n = 300000 - 325000, Alexander Jones
- 2018-10-31: Checked n = 1000 - 300000, Alexander Jones
- 2013-10-24: Checked n = 400000 - 1330000, RPS Drive 10
- 2011-11-23: Checked to n = 1007, Gary Barnes
- 2009-05-12: Reserved by RPS Drive 10, for n = 400000 - 2000000
