Generalized Cullen primes of the form n•69n+1

Reserved! This sequence is currently reserved by: PrimeGrid

Current data

ASCII format : n*69^n+1 Base : 69 Count : 0 Max n : 3,871,070 Date : 2025-03-24 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

• 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2016-10-21: Reserved by PrimeGrid Generalized Cullen Prime Search
• ?: Checked n = 1 - 1000000, PrimeGrid Generalized Cullen Prime Search, double-check n = 1 - 100100, see PRPnet Maxn completed
• 2004: Checked n = 68009 - 100100, Predrag Minovic
• 2004: Checked n = 4201 - 68009, Günter Löh
• 2000: Checked n = 1 - 4201, Wilfrid Keller