Generalized Cullen primes of the form n•121n+1

Reserved! This sequence is currently reserved by: PrimeGrid

Current data

ASCII format : n*121^n+1 Base : 121 Count : 0 Max n : 3,199,666 Date : 2024-10-27 Reserved : PrimeGridPrimeGrid/Reserved

Remarks :

Base is part of Multi Reservation:17 for the PrimeGrid Generalized Cullen Prime Search. Tests are handed out by size so the n-value from the multi-reservation is adjusted accordingly.

History

• 2024-11-06: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2024-10-28: Reserved by Gary Barnes, for n = 1 - 100000 double-check
• 2016-10-21: Reserved by PrimeGrid Generalized Cullen Prime Search
• ?: Checked n = 1 - 500000, PrimeGrid Generalized Cullen Prime Search, double-check n = 1 - 200000, see PRPnet Maxn completed
• 2008: Checked n = 90000 - 200000, Daniel Hermle
• ?: Checked n = 85000 - 90000, Thierry Gaillard
• ?: Checked n = 1 - 85000, Daniel Hermle