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Mersenneplustwo
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bearnol
2
7/11/20
26-digit factor of (M+2)82589933 by ECM by mprime287-OSX
[Sat Jul 11 19:21:00 2020] 2^82589933+1/3/17973642059656480077259129 is not prime. RES64:
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26-digit factor of (M+2)82589933 by ECM by mprime287-OSX
[Sat Jul 11 19:21:00 2020] 2^82589933+1/3/17973642059656480077259129 is not prime. RES64:
7/11/20
bearnol
2
8/12/19
P3021377.subfactors.out.txt
...and for P2976221.out.txt: Jamess-iMac:M+2 james$ time ../superfac/superfac13 -b 1 random seed =
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P3021377.subfactors.out.txt
...and for P2976221.out.txt: Jamess-iMac:M+2 james$ time ../superfac/superfac13 -b 1 random seed =
8/12/19
bearnol
,
einyen1
3
7/30/19
New Mersenne Prime
[Tue Jul 30 22:28:26 2019] 2^82589933+1/3 is not prime. RES64: 9841E7C75AC01D0C. We10: C404A363,
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New Mersenne Prime
[Tue Jul 30 22:28:26 2019] 2^82589933+1/3 is not prime. RES64: 9841E7C75AC01D0C. We10: C404A363,
7/30/19
bearnol
2
6/17/19
30-digit factor of (M+2)42643801 by ECM by mprime287-OSX
[Mon Jun 17 11:45:51 2019] 2^42643801+1/3/405661842777846034141594389769 is not prime. RES64:
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30-digit factor of (M+2)42643801 by ECM by mprime287-OSX
[Mon Jun 17 11:45:51 2019] 2^42643801+1/3/405661842777846034141594389769 is not prime. RES64:
6/17/19
bearnol
3
9/21/18
All current cofactors composite
Kindly double-checked by GP2 859433,,,1A2DFA00169CA483,TYPE-1,"1718867,268143097,22973354
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All current cofactors composite
Kindly double-checked by GP2 859433,,,1A2DFA00169CA483,TYPE-1,"1718867,268143097,22973354
9/21/18
bearnol
3
9/21/18
New Mersenne Prime (and more fish!)
[Fri Sep 21 14:22:50 2018] 2^77232917+1/3/3460697185562027 is not prime. RES64: 83CC13DFD42B16B9. Wd9
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New Mersenne Prime (and more fish!)
[Fri Sep 21 14:22:50 2018] 2^77232917+1/3/3460697185562027 is not prime. RES64: 83CC13DFD42B16B9. Wd9
9/21/18
bearnol
2
2/19/18
26-digit factor of (M+2)20996011 by ECM by mprime287-OSX
[Mon Feb 19 09:33:02 2018] 2^20996011+1/3/50965926368055564259063193 is not prime. RES64:
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26-digit factor of (M+2)20996011 by ECM by mprime287-OSX
[Mon Feb 19 09:33:02 2018] 2^20996011+1/3/50965926368055564259063193 is not prime. RES64:
2/19/18
James Wanless
3
11/25/17
Fwd: p41 factor of P110503 found by ECMNet!
? # timer = 1 (on) ? isprime((2^110503+1)/(3*48832113344350037579071829046935480686609)) time = 22min
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Fwd: p41 factor of P110503 found by ECMNet!
? # timer = 1 (on) ? isprime((2^110503+1)/(3*48832113344350037579071829046935480686609)) time = 22min
11/25/17
bearnol
2
10/12/16
37-digit factor of (M+2)6972593 by ECM by mprime287-OSX
[Wed Oct 12 18:33:08 2016] 2^6972593+1/known_factors is not prime. RES64: 5D89531357882463. Wd9:
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37-digit factor of (M+2)6972593 by ECM by mprime287-OSX
[Wed Oct 12 18:33:08 2016] 2^6972593+1/known_factors is not prime. RES64: 5D89531357882463. Wd9:
10/12/16
bearnol
3
10/10/16
New Mersenne Prime
[Mon Oct 10 18:42:25 2016] 2^74207281+1/3 is not prime. RES64: 699611E370B45F4A. Wd9: 01E2C8A8,
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New Mersenne Prime
[Mon Oct 10 18:42:25 2016] 2^74207281+1/3 is not prime. RES64: 699611E370B45F4A. Wd9: 01E2C8A8,
10/10/16
bearnol
7/27/16
27-digit factor of (M+2)6972593 by ECM by mprime287-OSX
[Tue Jul 26 20:57:27 2016] ECM found a factor in curve #11, stage #2 Sigma=8282816111310800, B1=
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27-digit factor of (M+2)6972593 by ECM by mprime287-OSX
[Tue Jul 26 20:57:27 2016] ECM found a factor in curve #11, stage #2 Sigma=8282816111310800, B1=
7/27/16
bearnol
2
7/22/16
FLT by Freshman's dream
FLT - the easy way - c JGW 2004-07-10 Inspired by http://www.bearnol.pwp.blueyonder.co.uk/Math/Cuboid
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FLT by Freshman's dream
FLT - the easy way - c JGW 2004-07-10 Inspired by http://www.bearnol.pwp.blueyonder.co.uk/Math/Cuboid
7/22/16
bearnol
3
5/15/16
21-digit factor of (M+2)24036583 by ECM by mprime287-OSX
[Sun May 15 03:44:58 2016] 2^24036583+1/known_factors is not prime. RES64: 6E7F4102939E99AC. Wd9:
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21-digit factor of (M+2)24036583 by ECM by mprime287-OSX
[Sun May 15 03:44:58 2016] 2^24036583+1/known_factors is not prime. RES64: 6E7F4102939E99AC. Wd9:
5/15/16
bearnol
3
9/22/13
New Mersenne Prime (and more fish!)
[Sun Sep 22 04:58:13 2013] 2^57885161+1/3/7061989643/100271784664656667 is not prime. RES64:
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New Mersenne Prime (and more fish!)
[Sun Sep 22 04:58:13 2013] 2^57885161+1/3/7061989643/100271784664656667 is not prime. RES64:
9/22/13
bearnol
11/21/11
38-digit factor of (M+2)216091 by ECM by yoyo@home!
Congratulations! (and thanks!) to user shauge of yoyo@home, who today found the following 38-digit
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38-digit factor of (M+2)216091 by ECM by yoyo@home!
Congratulations! (and thanks!) to user shauge of yoyo@home, who today found the following 38-digit
11/21/11
bearnol
10/14/11
Another data point for WEP... (14-digit factor)
P4253 T5313294 residue=10797702595979690624640873804907 base=245313293 factor=37876820097827
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Another data point for WEP... (14-digit factor)
P4253 T5313294 residue=10797702595979690624640873804907 base=245313293 factor=37876820097827
10/14/11
bearnol
2
3/15/11
Re:23-digit factor of (M+2)32582657 by ECM by mprime255
... with thanks to ATH (on mersenneforum)! J On Mar 15, 10:54 am, bearnol <bear...@gmail.com>
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Re:23-digit factor of (M+2)32582657 by ECM by mprime255
... with thanks to ATH (on mersenneforum)! J On Mar 15, 10:54 am, bearnol <bear...@gmail.com>
3/15/11
bearnol
3/15/11
Re: 45-digit factor of (M+2)23209 by ECM by yoyo@home!
Desmond:~ james$ gp GP/PARI CALCULATOR Version 2.3.5 (released) i386 running darwin (ix86 kernel) 32-
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Re: 45-digit factor of (M+2)23209 by ECM by yoyo@home!
Desmond:~ james$ gp GP/PARI CALCULATOR Version 2.3.5 (released) i386 running darwin (ix86 kernel) 32-
3/15/11
bearnol
12/6/10
23-digit factor of (M+2)32582657 by ECM by mprime255
[Mon Dec 6 01:56:07 2010] ECM found a factor in curve #51, stage #2 Sigma=1483035008190041, B1=11000,
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23-digit factor of (M+2)32582657 by ECM by mprime255
[Mon Dec 6 01:56:07 2010] ECM found a factor in curve #51, stage #2 Sigma=1483035008190041, B1=11000,
12/6/10
bearnol
2
12/6/10
45-digit factor of (M+2)23209 by ECM by yoyo@home!
Details of the lucky curve: Desmond:~ james$ /Applications/sage/sage ; exit; ------------------------
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45-digit factor of (M+2)23209 by ECM by yoyo@home!
Details of the lucky curve: Desmond:~ james$ /Applications/sage/sage ; exit; ------------------------
12/6/10
bearnol
4/28/10
ERRATUM: repeated factors of (M+2)43112609
Two previously cited factors of (M+2)43112609 were in fact composite, and combinations of other,
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ERRATUM: repeated factors of (M+2)43112609
Two previously cited factors of (M+2)43112609 were in fact composite, and combinations of other,
4/28/10
bearnol
4/6/10
Two new factors of (M+2)25964951 by P-1 by mprime255-OSX
[Tue Apr 6 23:07:19 2010] P-1 found a factor in stage #2, B1=250000, B2=25000000. 2^25964951+1 has a
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Two new factors of (M+2)25964951 by P-1 by mprime255-OSX
[Tue Apr 6 23:07:19 2010] P-1 found a factor in stage #2, B1=250000, B2=25000000. 2^25964951+1 has a
4/6/10
bearnol
2
3/8/10
Another factor of (M+2)9941 by ECMNet
sage: p=53490436327391844747326672641668581779 sage: FindGroupOrder(p,883077734) 2^2 * 3^3 * 19 *
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Another factor of (M+2)9941 by ECMNet
sage: p=53490436327391844747326672641668581779 sage: FindGroupOrder(p,883077734) 2^2 * 3^3 * 19 *
3/8/10
James Wanless
2
3/8/10
Factor of (M+2)9941 by ECMNet
sage: p=2937581555281521885883181942758904369 sage: FindGroupOrder(p,1953495724) 2^3 * 3^2 * 31 * 53
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Factor of (M+2)9941 by ECMNet
sage: p=2937581555281521885883181942758904369 sage: FindGroupOrder(p,1953495724) 2^3 * 3^2 * 31 * 53
3/8/10
bearnol
2/28/10
27-digit factor of (M+2)24036583 by P-1 by mprime255-OSX
[Sun Feb 28 15:34:13 2010] P-1 found a factor in stage #2, B1=50000, B2=5000000. 2^24036583+1 has a
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27-digit factor of (M+2)24036583 by P-1 by mprime255-OSX
[Sun Feb 28 15:34:13 2010] P-1 found a factor in stage #2, B1=50000, B2=5000000. 2^24036583+1 has a
2/28/10
zombie67
1/24/10
deadline too short
Can the deadlines please be extended? I have my cache set to only .5 days, yet anytime BOINC
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deadline too short
Can the deadlines please be extended? I have my cache set to only .5 days, yet anytime BOINC
1/24/10
zombie67
,
bearnol
3
6/3/09
Can't upload completed tasks
Yes, that's right - my ISP unexpectedly (hopefully!) changed my IP. http://toolbar.netcraft.com/
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Can't upload completed tasks
Yes, that's right - my ISP unexpectedly (hopefully!) changed my IP. http://toolbar.netcraft.com/
6/3/09
bearnol
2
5/12/09
Speeding up WE/WEP by testing multiple bases at once?
...here is what it appears I have learnt about this latest adjustment to the algorithm: 1) it DOES
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Speeding up WE/WEP by testing multiple bases at once?
...here is what it appears I have learnt about this latest adjustment to the algorithm: 1) it DOES
5/12/09
bearnol
3/9/09
yoyo@home
Sincere thanks to yoyo, and his BOINCers over at yoyo@home: http://www.rechenkraft.net/yoyo/ who have
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yoyo@home
Sincere thanks to yoyo, and his BOINCers over at yoyo@home: http://www.rechenkraft.net/yoyo/ who have
3/9/09
zombie67
,
bearnol
4
3/5/09
credits
> Wouldn't that leave us exposed to credit-cheats? To a small degree. I am asking for the
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credits
> Wouldn't that leave us exposed to credit-cheats? To a small degree. I am asking for the
3/5/09
