Real Riesel conjecture reservations

Started: Mar. 24, 2024
Last update: Sept. 18, 2024

Compiled by Gary Barnes based on work completed and coordinated by Riley Fisher.

Real Riesel conjectures

Green = testing through other projects
Gray = conjecture proven
Yellow = reserved

Testing not done through other projects is coordinated at Mersenneforum Prime Wiki.

Base	Riesel k testing (n-range completed)	Riesel k/ reserved by/ n-range reserved/ last status date	Sieve file(s)/ general info.
2	68 k's remaining at n>=1M. See k's and test limits at: Real Riesel Base 2 remain. Breakdown: Real Riesel: 22 k's remaining at n>=1M. Original base 2 project: 42 k's remaining at n=15.9M. Original base 2 1st/2nd conjectures even k efforts: 4 k's remaining at n>=8M.	147911 ikari ? 2024/06/08 (original project k's) Riesel Problem project 50M 2024/07/26 (other k's) (available)	Original project k's are worked on by PrimeGrid's Riesel Problem  project. Original even k efforts are worked on by the Conjectures 'R Us project. sieve-real-riesel-base2-1M-2M.txt
2 2nd conjecture	39 k's remaining at n>=1M. See k's and test limits at: Real Riesel 2nd Base 2 remain. Breakdown: Real Riesel: 17 k's remaining at n=1M. Original base 2 project: 22 k's remaining at n=8M.	(all k's) (available)	Only 509203<k<762701 are considered. Original project k's are worked on by the Conjectures 'R Us project. sieve-real-riesel-base2-2nd-conj-1M-2M.txt
2 3rd conjecture	765389 (2M) 768119 (2M) 776351 (2M)	(all k's) Happy5214 ? 2024/09/06	Only 762701<k<777149 are considered.
2 4th conjecture	780427 (2M) 787663 (2M)	(all k's) Happy5214 ? 2024/09/06	Only 777149<k<790841 are considered.