is 2 2363059 - 1
has 711352 decimal digits
takes 0.160 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LC8C509B5DE7D8B18double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26950.522168.1159%1440000036949548090198.529315.9282%249.051573.1945%
Target2630.675465.0794%1000011200000.00691.2708%0.682365.5231%
Difference+6+49.8467+3.0366%+14390000+36948428090+198.5224+14.6574%+248.3692+7.6714%

Known prime factors (1 factor, 134.6 bits, 0.00569717% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
23630593364506638458906441492093326261775958869741134.6287118964525343858197133658800439972
22 × 7 × 200899 × 244721 × 376547 × 4052821 × 3388700363
2023-06-18405282133887003636.898e+1018.46033.778

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-09-21ANONYMOUSv4_computers2048204800---0.001--0.186%
2010-11-03Jocelyn LaroucheManual testing2000020000---0.002--0.218%
2010-12-23Oscar Östlin7501175011---0.007--0.588%
2011-01-22Oscar Östlin900001822500---0.018--2.033%
2014-08-07Jocelyn LaroucheManual testing117162117162---0.011--0.776%
2014-10-22Jocelyn LaroucheManual testing144324144324---0.014--0.875%
2015-08-31mikrMSI3000000100000000---0.812--7.218%
2023-01-23Jocelyn LaroucheManual testing1000000571741170---3.144--8.233%
2023-03-21Jocelyn LaroucheManual testing10000001647836190---8.887--9.325%
2023-06-18Sid & AndyPterodactyl144000003694954809041134.628198.50.319397.115.928%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-03-01ANONYMOUSv4_computers21259--0.032--
2016-02-23Mark RoseManual testing259260--0.032--
2009-01-14Sturle Sundeginjtje.ifi260261--0.065--
2012-05-30Sebastian HornbostelManual testing261262--0.130--
2013-12-04Jerry HallettManual testing262263--0.415--
2015-03-09VictordeHollanderManual testing263264--0.831--
2015-03-09VictordeHollanderManual testing264265--1.581--
2015-10-29ramgeisManual testing265266--3.162--
2017-06-13Gordon SpenceManual testing266267--6.325--
2019-04-15TJAOIManual testing267268--12.65--
2021-07-12TJAOIManual testing268269--25.30--


ECM factoring results:
Total ECM effort:17.518 GHz-days
Estimated T-Level:23.449
DigitsB1CompleteFacMiss
20110007.4650.057%
25500000.69050.172%
302500000.04395.747%
3510000000.00299.797%


ECM Summary

B1B2factorcurvesGHz-days
500005000070.365
50000500000018616.52
50000520000070.632


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1997-01-01John LloydC8C509B5DE7D8B180.160
1999-03-26ANONYMOUSv4_computersC8C509B5DE7D8B180.160
2018-05-11kkmrkkblmbrbkoldC8C509B5DE7D8B180.160


PRP results:
dateuseridcompidcofactorsres64PRP
2023-06-19Naegi Makoto5950X
33645066384589064414920933262617759588697
0F72019F9E58E470no


P-1 factor-bounds graph:
B1 = 14400000, B2 = 36949548090 (P-1 stage 2)
B1 = 1000000, B2 = 1647836190 (P-1 stage 2)
B1 = 1000000, B2 = 571741170 (P-1 stage 2)
B1 = 14400000 (P-1 stage 1)
B1 = 3000000, B2 = 100000000 (P-1 stage 2)
B1 = 3000000 (P-1 stage 1)
B1 = 1000000 (P-1 stage 1)
B1 = 90000, B2 = 1822500 (P-1 stage 2)
B1 = 144324 (P-1 stage 1)
B1 = 117162 (P-1 stage 1)
B1 = 90000 (P-1 stage 1)
B1 = 75011 (P-1 stage 1)
B1 = 20000 (P-1 stage 1)
B1 = 2048, B2 = 204800 (P-1 stage 2)
B1 = 2048 (P-1 stage 1)
102
103
104
105
106
107
108
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
269
268
267
266
265
264
263
262
261
260
259
this exponent TF target: 63
TF double-checked to: 67.9
ECM T-Level=23.45 ~= 61-bit
250
260
270
280
290
2100
2110
2120
2130
2140
Last modified: 2023-07-11T14:45:05+00:00