is 2 6977 - 1
has 2101 decimal digits
takes 0.000 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2674,258.838780.5970%----4,258.838780.5970%13.0970%
PrimeNet2400.000067.5000%500100000.00002.7879%0.000068.4061%0.9061%
GPU722440.000370.4545%500100000.00001.1307%0.000370.7886%0.3341%
Difference+23+4,258.8384+10.1425%-500-100000.0000-1.1307%+4,258.8384+9.8084%+9.8084%

Known prime factors (7 factors, 278.5 bits, 3.99142912% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697741863515.3533
3
-136.260e-131.367e-102.508e-10
6977209311617.67515
3 × 5
-352.511e-123.832e-107.525e-10
6977389414279928.53727907
11 × 43 × 59
-43595.333e-95.407e-91.079e-8
69778806994957831239.68063114483
3 × 59 × 356579
-593565791.200e-52.401e-64.472e-6
6977320782397496971444.8672298856224
25 × 3 × 7 × 41 × 83437
-41834370.00065.651e-71.046e-6
69774293651753233393511858.57530770042663275
52 × 27109 × 45401959
-27109454019599.07120.00030.0006
6977163884829100754381413592373.7951174464878176539927
33 × 43498699191723701
-2743498699191723701318,498292,094545,550

120 Composite Factors:
exponentprime factorscomposite factordigitsbits*
697787623863931033.029
6977163020499617771443.890
6977815086921517691446.212
6977368687229919637291755.033
69771843400921618355131857.355
697713428913506415655111960.220
697734121983795495056471961.565
697767143284402488287671962.542
69773429569591660004854572168.217
697777170292781709200807192272.709
6977124917246037173977234632373.403
6977179745143345609552509132373.928
6977898708542121034828971612376.250
69772810819314941367186729212477.895
6977143572071815662783226863912683.570
6977282512895731643360270277512684.547
6977717846640799947276114901272685.892
69771672009301762467852419929292787.112
69775229410670854214208973315692788.757
69776860710600644880669117118172789.148
697726146553685286922348957639932891.079
697734302897463908000328059936492891.470
697737622635698812881045238509432891.604
69773781416934140443604175024568333098.255
697711826837354013785990994627401133199.900
6977300512139238081928199981118660131101.245
6977591330567184860033815320558956131102.222
6977638190925633084857942641506516131102.332
6977699953253996821917058554998672731102.465
69771377327903419276582386443042664732103.442
69773499699389612039086578678196191932104.787
697710945731769271664302944136803895933106.432
697714360221965315806177335731212808733106.824
69771100145555995400766247873616865652935113.083
69771443332863555175090158767797838909735113.475
69771583014571139213906015790535039987935113.608
69777914921599018703912334785674217206335115.930
697724754871534059795595610764559579214336117.575
697726716586719777831408052801387283494336117.685
697752571368392321188496305553506341822336118.662
697757659078020841175568443665095072336136118.795
6977133580380835186624700832236370391407137120.007
6977146507915547328792281443205327181509737120.140
6977288289880792592200735888779703191021737121.117
697714725377490066913308599785820835131840739126.792
697746055393410635462277434733222846827352739128.437
697760422243667010294799316496320930276771139128.828
6977230272566470953329784108674619766674151940130.759
6977302105445003597253296221846533460028216740131.150
6977331342362899720001882071132679754907336940131.284
6977536351152456599225031600816833840389251340131.978
6977703664383796809118878466530249266531800940132.370
69772200795195007741914020839386435987706944941134.015
69775592075482903417669850939911173695475427341135.361
697711003765689565140285350211709965913167435342136.337
697712068679279620287299406511984714685741427142136.470
6977562054426418343884452936557523856778971606343142.012
6977616448477866671191837912833817621124247224143142.145
69771213011990069213407750359846529649646732960144143.122
69773082183487823395691536329769944822280708757744144.467
69779639900450173519244752141445607292280020989744146.112
697712647040244185591814739735161430237161235712145146.504
697720472041518539144754711921282368022658500621745147.198
697722453268295290613357497904995115060215227171945147.332
697729457502098885820143609244355825044820781076745147.723
6977112264196071843240390589398572307965714578854346149.654
6977147284695836893913481570707913004227037778179946150.045
6977460650643062265467765615912814303022928343963946151.690
697723529284453151130034853283107621216338088354536948157.365
697746299577635739614037683600931337970592455385360948158.342
697750780320940267480888653314255270723161181908666348158.475
6977117644174048049976798728603791875986263325886259349159.687
6977129029447350750813834785373159200095137310723595149159.820
6977253896752653377127589635569836967497207322611491149160.797
6977274016958674213705528683332502649816760078045051149160.907
6977857021074090604216866505160643772532552811526227149162.552
69774285023482286946927753506955533733190673423628648750164.874
69774699716040155573572471243992432528368709414577560950165.007
69776165779221819889900078994545362095956482507945153750165.399
697747236418953115789927623939162689416930512036287726
79
52171.658
697761971686801030518612056197964677055186262976494560
47
52172.050
697719382392185649674624595485857886014629119597973633
567
53173.695
697749249380581735161787251755405393044129416115764730
759
53175.040
697796910108945142943538415921945392819626774291652753
399
53176.017
697710628879756328326692284913860084970335590146484851
9193
54176.150
697711471171940978608354547270348558429279027147199974
1993
54176.260
697722572314806756847892079267306666423710094741706639
3273
54177.237
697757354763637058344917914237009462135795868695687690
7921
54178.582
697717938393803897845923654506167950867256116153336612
05281
55180.227
697718029716643026066432222838286800704323584216729982
0282911
57186.878
697719774582066342863137401209651676670609620253751131
0660977
57187.012
697725943207245515406006565086153952755612625269849917
8495561
57187.403
697798871020874956191055408943300816845471424048274203
8214169
57189.334
697712971355736010498881208094852184519098091889873052
94653617
58189.725
697740569478907705190453487057403999796080356521714592
15542337
58191.370
697794494481475526192330611436725897649577569617206504
21587599
58192.590
697724010424701381734932986437039271133908224512075737
996296823
59193.935
697747246337845170825891390035192256558131836404813583
842364903
59194.912
697724132659734037115862309945037895982913201807696023
21284695113
61200.587
697775477802782700021905214467920033788509820606496723
76503503193
61202.232
697737738180202684289909949945046485422226737359879692
683236384321
62204.554
697741390375468882910261525845934020956019702249329029
945759756847
62204.687
697754301986517660751466401447479700052300342078575561
550084368471
62205.079
697787899816958342422502067176890737772825750488633821
831535745167
62205.773
697719778734412123862842912610432534362930730674147110
60392921934289
64210.265
697710102655344459957813438812291214395326953672755786
1975941191515519
66215.940
697719879426268965901020036637116449195796056275188196
8764565483067759
66216.917
697750512311415910427582559569058270460795451835706623
1470420818797143
66218.262
697715798334378249724285002345494810192306779060966435
74798324756830023
67219.907
697736797500373270888332040382261769553838043927056776
83333580899926121
67221.127
697718398398587367610796330182862177213967930660526433
881380578356649937
68223.449
697783221242189771951440179373960591268361030384820348
58391004817665595017
70232.270
697721145968928042582298886912394863763002800001981863
648046226737304797409
71233.615
697741609825917835217084048885514810976212683350159166
764079965826395704049
71234.592
697777021216006297029076677044515932470833948124161810
1576235151744436312631
72238.802
697777413324474630164213029315962867026210510854458372
759553788337118079130761
74245.453
697717419121423983356927895384943065318971915630877131
98244679609390403358603287
76249.945
697732407540024814425644500462541535023182506159001908
58833200241156774146651047743
79260.807
697716203460359109314301593379153503660123148237457536
460674962990630522260938715671
80263.129
697767832546101339322460760363150312372373535466468484
8853235975676765553409677454135073
84278.482
P-1 results:
Exponent "6977" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-10-25T00:00:00Carsten Kossendeyv4_computers??106.432334.07640e+121.31151e-69.01488e+12


ECM factoring results:
Total ECM effort:35.641 GHz-days
Estimated T-Level:40.023
DigitsB1CurvesCompleteFacMiss
20110005411 / 10054.1100.000%
25500005411 / 28019.3250.000%
302500005411 / 6408.4550.021%
3510000005411 / 15803.4253.252%
4030000005411 / 47001.15131.619%
451100000044 / 97000.00599.547%

ECM Summary

B1B2factorcurvesGHz-days
30000003000000003,81820.31
30000006000000001,50010.58
60000006000000020.015
6000000600000000210.223
10000000100000000130.163
100000002000000000130.306
200000004000000000120.564
300000006000000000120.846
400000008000000000121.128
800000001600000000081.504


Lucas-Lehmer results:
Exponent "6977" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T18:47:38Oliver KruseOliver-PC3BD5E07352C698__?
2017-09-21T19:21:29Oliver KruseManual testing3BD5E07352C698__?
2017-10-02T10:00:46kkmrkkblmbrbkManual testing
41863
209311
389414279
880699495783
32078239749697
429365175323339351
16388482910075438141359
3BD5E07352C698__no
2017-12-07T02:54:26ATHManual testing
41863
209311
389414279
880699495783
32078239749697
429365175323339351
16388482910075438141359
3BD5E07352C698__no
2020-04-17T12:34:08Oliver KruseIOS-1
41863
209311
389414279
880699495783
32078239749697
429365175323339351
16388482910075438141359
3CF167E453EA58__no


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
TF factor-bounds graph:
267
2
210
220
230
240
250
260
270
280
290
2100
Last modified: 2020-04-17T12:34:08+00:00