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-   -   Generalized Cullen / Woodall Coordinated Search - Reservations/Status (https://www.mersenneforum.org/showthread.php?t=28553)

kruoli 2023-05-22 09:10

1 Attachment(s)
Base 127 is done up to 125K for both sides. Residues attached. Tests that were resumed were double checked. No new primes (known ones that were found while double checking below). Releasing this base, keeping base 11.
2 · 127[SUP]2[/SUP]-1
26 · 127[SUP]26[/SUP]-1
158 · 127[SUP]158[/SUP]-1

firejuggler 2023-05-22 19:51

Once again, b253+ taken to 100k, no prime found
taking b254+

lalera 2023-05-24 12:24

hi,
gcb=31, n=200k-400k done
no prp found
gcb=31 released

ryanp 2023-05-26 01:52

I'm going to take Cullen base b=14 from n=1M to n=2M.

rogue 2023-05-27 16:47

Cullen bases 61 thru 68 reserved to n=200000.

firejuggler 2023-05-28 07:45

Cullen b254 taken to 100k, one prime found.

18508*254^18508+1 is 3-PRP! (13.3124s+0.0006s)

lalera 2023-05-28 10:23

[QUOTE=rogue;631361]Cullen bases 61 thru 69 reserved to n=200000.[/QUOTE]

hi,
gcb=61 n=100k-300k
are already done by myself
as you can see at post #58

rogue 2023-05-28 13:23

[QUOTE=lalera;631394]hi,
gcb=61 n=100k-300k
are already done by myself
as you can see at post #58[/QUOTE]

Okay.

I have completed my reservation for bases 4, 5, 6, 7, 9, and 10 to n=500000. Previous primes have been verified. Two new primes were found:

474280*7^474280+1
403765*10^403765+1

rogue 2023-05-28 20:26

Taking Cullen bases 70, 71, 72, 74, 75, 76, 77, and 78 to n=200000.

firejuggler 2023-05-29 11:32

oops, forgot to say I took b259+.

ryanp 2023-05-29 18:12

Testing Cullen b=14 from n=1M to n=2M completed. Found 3 new primes:

[CODE]1198433*14^1198433+1
1486287*14^1486287+1
1909683*14^1909683+1[/CODE]


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