is 2 1162969 - 1
has 350089 decimal digits
takes 0.036 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L3136374AF8639576double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26725.550168.6567%150000005000000001.842011.0021%27.392072.1051%3.4484%
PrimeNet2560.008362.5000%5000800000.00042.2554%0.008763.3458%0.8458%
GPU722600.132165.0000%5000260000.00030.7729%0.132365.2705%0.2705%
Difference+7+25.4180+3.6567%+14995000+499974000+1.8417+10.2292%+27.2597+6.8346%+6.8346%

Known prime factors (1 factor, 101.4 bits, 0.00872088% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1162969339472394797422221718374557867331101.4211459507496749364005912344
23 × 3 × 17 × 113 × 10163 × 7870879 × 395751493
2018-01-2878708793957514931.186e+111.28971.7907

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-03-16T00:00:00Jocelyn Larouchev4_computers10001000---4.44667e-5--0.005%
2002-08-10T00:00:00Jocelyn Larouchev4_computers20002000---8.89333e-5--0.018%
2002-08-10T00:00:00Jocelyn Larouchev4_computers30003000---0.000--0.033%
2002-08-10T00:00:00Jocelyn Larouchev4_computers40004000---0.000--0.049%
2002-08-10T00:00:00Jocelyn Larouchev4_computers50005000---0.000--0.065%
2002-08-17T00:00:00Jocelyn Larouchev4_computers60006000---0.000--0.080%
2002-08-17T00:00:00Jocelyn Larouchev4_computers70007000---0.000--0.095%
2002-08-17T00:00:00Jocelyn Larouchev4_computers80008000---0.000--0.110%
2002-08-17T00:00:00Jocelyn Larouchev4_computers90009000---0.000--0.125%
2002-08-17T00:00:00Jocelyn Larouchev4_computers1000010000---0.000--0.139%
2003-09-21T00:00:00Team Prime Ribv4_computers100001000000---0.003--0.985%
2013-10-07T16:36:00David Campeaui5-2500k121500035235000---0.136--6.171%
2016-07-26T22:51:11Bruno Victal5820K-factoring25000006250000012---0.257--7.241%
2016-07-27T11:35:48Bruno VictalManual testing25000006250000012---0.257--7.241%
2018-01-28T18:48:34mikrColorovo150000005000000001231101.4211.8420.0713.68411.002%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-07-12T00:00:00ANONYMOUSv4_computers21256--0.008--
2001-11-10T00:00:00ANONYMOUSv4_computers21257--0.017--
2003-05-04T00:00:00ANONYMOUSv4_computers21258--0.033--
2016-02-23T16:28:23Mark RoseManual testing258260--0.099--
2009-02-18T04:27:00Sturle Sundebruckner.ifi260261--0.132--
2011-05-09T14:45:00XyzzyManual testing261262--0.264--
2012-10-11T11:55:00dbaughManual testing262263--0.844--
2014-12-31T09:44:00Matthias WurtingerManual testing263264--1.688--
2015-01-03T11:50:00lycornManual testing264265--3.213--
2015-09-17T03:04:00omylistManual testing265266--6.426--


ECM factoring results:

Old Calculation Method

Total ECM effort:18.390 GHz-days
Estimated T-Level:25.344
DigitsB1CurvesCompleteFacMiss
2011000325 / 1003.2503.815%
2550000325 / 2801.16131.261%
3025000044 / 6400.06993.351%

New Calculation Method

Total ECM effort:18.390 GHz-days
Estimated T-Level:25.344
DigitsB1CompleteFacMiss
201100012.7310.000%
25500001.34925.941%
302500000.10889.793%
3510000000.00799.295%


ECM Summary

B1B2factorcurvesGHz-days
50000500000028110.31
25000025000000448.075


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-08-20T00:00:00ANONYMOUSv4_computers3136374AF86395760.036
2016-06-01T18:49:07MadPooManual testing3136374AF86395760.036


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-30T04:46:19treborDesktop
3394723947974222217183745578673
8C176206F40F98__no
2018-01-31T18:35:14Oliver KruseGTX-4
3394723947974222217183745578673
8C176206F40F98__no


P-1 factor-bounds graph:
B1 = 15000000, B2 = 500000000 (P-1 stage 2)
B1 = 15000000 (P-1 stage 1)
B1 = 2500000, B2 = 62500000 (P-1 stage 2)
B1 = 1215000, B2 = 35235000 (P-1 stage 2)
B1 = 2500000 (P-1 stage 1)
B1 = 1215000 (P-1 stage 1)
B1 = 10000, B2 = 1000000 (P-1 stage 2)
B1 = 10000 (P-1 stage 1)
B1 = 9000 (P-1 stage 1)
B1 = 8000 (P-1 stage 1)
B1 = 7000 (P-1 stage 1)
B1 = 6000 (P-1 stage 1)
B1 = 5000 (P-1 stage 1)
B1 = 4000 (P-1 stage 1)
B1 = 3000 (P-1 stage 1)
B1 = 2000 (P-1 stage 1)
B1 = 1000 (P-1 stage 1)
102
103
104
105
106
107
108
102
103
104
105
106
107
108
109
TF factor-bounds graph:
267
266
265
264
263
262
261
260
258
257
256
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260
270
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2100
2110
Last modified: 2020-08-21T10:52:29+00:00