is 2 3324491 - 1
has 1000772 decimal digits
takes 0.349 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L3B4C5D35702F836Adouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27071.875968.5714%630000022713580890189.366213.8856%261.242072.9355%
Target2641.070665.6250%1700015000000.01491.7246%1.085566.2178%
Difference+6+70.8052+2.9464%+6283000+22712080890+189.3513+12.1610%+260.1565+6.7176%

Known prime factors (1 factor, 132.4 bits, 0.00398207% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3324491710260151188350479659708323858176101876940132.3841068223904333551331105586274497624
23 × 3 × 19 × 41 × 1733 × 31849 × 286927 × 2106901 × 1712393941
2023-05-09210690117123939413.997e+1014.51126.537

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-12-21ANONYMOUSv4_computers750001000000---0.019--1.556%
2014-09-23Jocelyn LaroucheManual testing9430694306---0.014--0.628%
2015-12-05HBendtzManual testing5000001200000012---0.172--3.892%
2020-05-03mikrMSI400000015000000012---1.821--7.505%
2023-05-08Jocelyn LaroucheManual testing1000000962851890---8.133--8.358%
2023-05-09Sid & AndyMagic_8_Ball63000002271358089040132.384189.40.698378.713.886%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-04-11S00858v4_computers21260--0.046--
2002-02-10S00858v4_computers21260--0.046--
2009-03-29S485122USB-Z260261--0.046--
2011-09-06markroldgamer261262--0.092--
2012-08-25GrunwalderGIMPManual testing21263--0.480--
2016-02-23Mark RoseManual testing262263--0.295--
2015-02-11VictordeHollanderManual testing263264--0.591--
2015-02-11VictordeHollanderManual testing264265--1.124--
2016-03-02ramgeisManual testing265266--2.248--
2017-02-27Gordon SpenceManual testing266267--4.496--
2018-11-19TJAOIManual testing267268--8.991--
2021-08-05MadPooManual testing268269--17.98--
2022-08-30TJAOIManual testing269270--35.96--


ECM factoring results:
Total ECM effort:13.257 GHz-days
Estimated T-Level:21.566
DigitsB1CompleteFacMiss
20110003.3813.400%
25500000.31373.104%
302500000.02098.036%


ECM Summary

B1B2factorcurvesGHz-days
500005000000507.299
50000675000071.182
500006800000142.374
50000690000071.196
50000700000071.205


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-05-08S00858v4_computers3B4C5D35702F836A0.349
2001-12-22ANONYMOUSv4_computers3B4C5D35702F836A0.349
2002-02-10S00858v4_computers3B4C5D35702F836A0.349
2017-06-11kkmrkkblmbrbkold3B4C5D35702F836A0.349


PRP results:
dateuseridcompidcofactorsres64PRP
2023-05-09Naegi Makoto5950X
7102601511883504796597083238581761018769
AB94C6E36CB15C26no


P-1 factor-bounds graph:
B1 = 6300000, B2 = 22713580890 (P-1 stage 2)
B1 = 1000000, B2 = 962851890 (P-1 stage 2)
B1 = 4000000, B2 = 150000000 (P-1 stage 2)
B1 = 6300000 (P-1 stage 1)
B1 = 4000000 (P-1 stage 1)
B1 = 500000, B2 = 12000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 500000 (P-1 stage 1)
B1 = 75000, B2 = 1000000 (P-1 stage 2)
B1 = 94306 (P-1 stage 1)
B1 = 75000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
270
269
268
267
266
265
264
263
262
261
260
this exponent TF target: 64
TF double-checked to: 67.9
ECM T-Level=21.57 ~= 55-bit
250
260
270
280
290
2100
2110
2120
2130
2140
Last modified: 2023-09-25T11:53:03+00:00