Generalized Cullen primes of the form n•41n+1

Current data

ASCII format : n*41^n+1 Base : 41 Count : 1 Max n : 1,810,126 Date : 2024-10-25

1806676

History

• 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2018: Checked n = 1000000 - 1810126, PrimeGrid Generalized Cullen Prime Search
• 2018-03-11: Found n = 1806676, Hiroyuki Okazaki, PrimeGrid Generalized Cullen Prime Search
• 2016-10-21: Reserved by PrimeGrid Generalized Cullen Prime Search
• ?: Checked n = 1 - 1000000, PrimeGrid Generalized Cullen Prime Search, double-check n = 1 - 100000, see PRPnet Maxn completed
• ?: Checked n = 67025 - 100000, Predrag Minovic
• 2004: Checked n = 11991 - 67025, Günter Löh
• 2000: Checked n = 2871 - 11991, Wilfrid Keller
• 1989: Checked n = 1 - 2871, Harvey Dubner