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Proth primes of the form 3125•2n+1
Current data
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Notes
- ↑ Is GF Divisor of F(147) [+5]
History
- 2023-10-21: Checked n = 3322000 - 3486000, PrimeGrid Proth Mega Prime Search
- 2019-09-24: Checked to n = 3322000, PrimeGrid Fermat Divisor Search
- 2019-09-13: Found n = 3124079, Dave Sunderland, PrimeGrid Fermat Divisor Search
- 2019-09-11: Found n = 2867399, Ricky L Hubbard, PrimeGrid Fermat Divisor Search
- 2019-09-11: Found n = 2697651, Seonghwan Kim, PrimeGrid Fermat Divisor Search
- 2019-09-08: Found n = 1583223, Brian D. Niegocki, PrimeGrid Fermat Divisor Search
- 2019-09-06: Reserved by PrimeGrid Fermat Divisor Search from n=1550000
- ?: Checked to n = 1550000, PrimeGrid Proth Prime Search Extended
- 1998-03-11: Found n = 25407, Henri Lifchitz
- 1998-03-11: Found n = 24293, Henri Lifchitz
- 1994: Found n = 3843, Jeffrey Young
- 1994: Found n = 3401, Jeffrey Young