is 2 63671 - 1
has 19167 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
Actual267466.679076.1194%400000000764000000007.809417.5513%474.488380.3108%20.3108%
PrimeNet2400.000060.0000%650100000.00005.3844%0.000062.1538%2.1538%
GPU722440.000063.6364%500100000.00002.1857%0.000064.4311%0.7948%
Difference+23+466.6789+12.4830%+399999500+76399990000+7.8094+15.3657%+474.4883+15.8796%+15.8796%

Known prime factors (7 factors, 355.3 bits, 0.55804487% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
63671127343616.9581
1
-111.371e-131.720e-93.500e-9
6367119483327824.216153
32 × 17
2008-08-269173.627e-111.623e-83.150e-8
63671112060961926.740880
24 × 5 × 11
2008-08-2616161.672e-102.752e-85.600e-8
63671223612553927.7361756
22 × 439
2008-08-2644393.876e-104.764e-87.691e-8
636711706683736443322733192167.2101340236321436229
3 × 7 × 97 × 30197 × 21788461
2009-06-203019721788461613.920.00210.0038
6367165843622015291933553446524892892.41151706131531852753650364
22 × 3 × 47 × 91677538177043889451
2017-01-1047916775381770438894512.381e+108.590e+91.604e+10
63671130478974859052452503613675098331100.04210246342515356477242670421
3 × 23 × 61 × 29478910007 × 82580692867
2019-03-1629478910007825806928672.806e+1255.675103.18

120 Composite Factors:
exponentprime factorscomposite factordigitsbits*
6367124810653101611341.174
63671142701789566231443.698
63671284754933366791444.695
6367121833203470972471650.955
6367143567164914038311651.952
63671250582375808434331754.476
636712780305629604047247212167.914
636715547973481648380510332168.911
6367131909911482573452885192271.434
636714882178368312615409415912478.692
63671217334227049902046812614172684.168
6367133251877322707073777274523132891.425
63671191252619628909467514417995592993.949
63671381635907469670536171553734072994.946
63671621711239956033384081250227132995.650
6367142343938139054868960194695989435933108.384
6367183847243582933206944965408190672733109.369
63671243546823414042183216885308124173734110.908
63671485986613649102550876941671576760134111.905
6367112828528185883317418840706214455090336116.627
6367116615584095476316459167676228042816936117.00002
6367137262373278366618089792830227645279336118.165
6367173784995587543707695473624412838192936119.151
6367174355371801733336384957094989568508936119.162
63671147234604176064343021925393796309441737120.148
63671427664865431583586367695723030226412737121.686
636712542164533803697842279873913611936044138124.257
6367114621599313000257376961804404257267466339126.781
6367129176736681055534065244295614443388959939127.778
636711633623264774939290067432051467354564072941133.585
636714745102400387040247408488379679032801899941135.124
636719396002693104578369064697753604053998464741136.109
636719468636111348128255269591347256622628852741136.120
6367118749296199592561633441045422203433234403142137.106
6367154460126958654148638821476457838122072456142138.644
63671323726858228164294329445983781084771663826343141.216
636711437577196725671183823329044310509510359778344143.367
636711861958321315391775154447058251333210961040944143.740
636712868619938877827168136340616937268245828535944144.363
636713715453179175654874470404336430064480320545744144.736
636718332334419614539141034558008299332082671052944145.902
6367116499251236424383476870603699117874290275473745146.887
63671284877400678159365559509101718184534172384380146150.997
63671568459901549899675352793946340866470093921587346151.994
636713269573151323033641719512466322611646943184463947154.518
63671112374238842020260762608346734155971398742164099149159.621
63671183065392962637145561614190489633212577745248056949160.325
63671365298668876519145071986023182642550228543247113749161.322
636711061064461996974257836763720450861845403579889444750162.860
636712101064150199990265095133286856767465746549647379150163.846
6367122268634433974200881717436877493148404523899792257
7
51167.251
6367136277142834558848088444567540098773135113944115074
3
51167.955
6367172389389243068874358450839508884958901170256691543
9
51168.952
6367132146030709441057405326690855732315634232997417699
99
52171.103
6367141635725380892907303748787599892033495668593918641
77
52171.476
6367114310072696859386066292834698167623865830023402871
6913
54176.579
6367163702162857647147073622103661939930211402613331483
3953
54178.734
6367121894240417351820810631677923509428597643409718304
257057
56183.837
6367128357547147255766628805435642906099972772869712454
722911
56184.210
6367112592765196280317602528484201650729678831561100164
8452351
57186.361
6367125128290438895914186852579352333829064667716302944
6960023
57187.357
6367140935719886323525731665167936415202698101325901621
6982657
57188.061
6367143386708652057926534218914428605795062486741896778
88373679
58191.467
6367185912083015622287744873422113264780164437406641356
64146687
58192.453
6367124954445748288400000123033069487214811265649581880
982216497
59193.991
6367149795461976046809952956870847925911547434659820629
139309081
59194.988
6367181120245247813606497962595466224165329106429894710
900076879
59195.692
6367127880782574668329174882697618134611659097047237580
19006409551
61200.795
6367116036004983899244844587847636908088694914474851782
918867733393
62203.319
6367131999118893603224002963680124642467945819809971658
864230208889
62204.316
6367155249936398790125386470392200819477606422491733615
1339169404897
63208.426
6367110940302387458388988295416192169476900479952673930
27879431562641
64209.411
6367124534896215334861151391848451509510612128028283499
14336198451777
64210.576
6367131777739849242897212156674001677103957110016147054
69918395377471
64210.949
6367148958269957198261506638790431496820482902526307350
25751284036521
64211.573
6367163411035144157289198393868043874293541849718855383
76487036301783
64211.946
6367128159003748697879227522336075512864777963954345833
497638705962103
65214.097
6367116738532066445151406214614566417687495268477646255
2316932078787649
66216.668
6367148619562661766258750919709352463312848713193467120
0451605195845519
66218.207
6367196273905842424115777090385053711021126805938125782
0758650990186207
66219.192
6367197018126879538616562031333162690780645174548841907
8866887379192487
66219.204
6367119211020216671238646331758580593792657553608307772
91398191246561911
67220.189
6367155801273224747645043127117387714625048065250642077
88975578492886841
67221.728
6367131243472887493872236016921573605756098802195057056
3141314519444638511
69227.535
6367162344929711594982150399034899180996107542564075569
0384245763062693703
69228.531
6367135858520143704340344703768428640347394202638382614
75089805733332082329
70231.055
6367121315348889373249155215876627313275787099737489070
799695081709055586607
71233.627
6367161913609680373006881183685480707356480936841956834
679108760454555926017
71235.165
6367112259807991691814175402020903894722563350848578751
4668868893043282158001
72236.151
6367112354579331221086048858756058936532079698462573175
0760146039528508872041
72236.162
6367124463889474515655429398251329285553383908491427367
2618519867910933432473
72237.148
6367154863107803010660519632507356311383717585411673294
5122048636116502356681
72238.313
6367171059015362590393627269365095037434974957732125141
2471517092019688993463
72238.686
6367118757359890951595203709110805573643881174685580463
793148185320671661870689
74243.408
6367137429458888501659404151900291076471651731597069025
632485247265303337757897
74244.405
6367110871944532541028608551747306322298224938459955965
6348558190791081497200007
75245.943
6367121528053872706072237682759913613363558402012559866
1651058344751515692656471
75246.929
6367169864327369587865425515623842747605367484790787123
430677039468983759606828583
77255.271
6367114662475484673117186981943697110967707010185560148
46537180118962109716992344153
79259.663
6367123886184805934489880259292973141645327604279858730
00810869363290291437599149327
79260.367
6367147663795832384668135029154387665511295464567655609
31117568842505522940103877671
79261.363
6367113844660326073722060988051572290004228583383061725
318394445689908691097940491401
80262.902
6367127414469643120093569632356956792665556175874854110
370630722795692262849952986553
80263.887
6367141943811327554878029239493365942091377823000816197
95709929626872513985657523159017
82271.145
6367118671636156447287619418416562212019607137980597859
8602584127888991937690956081475479
84276.621
6367128567380449736983026328935214640193912211963759905
071938697915637684226039297629437031
86283.878
6367116430910934514102828388133003461479648875278306585
6033223926360988337473600115427911033
87286.402
6367132787135764276681046492107950132422132651035901085
3340082055821961064082765557506952609
87287.399
6367153412507658848208328774448036991637423261143929370
9645089568474826548475585971638701831
87288.103
6367136378559286108566295218055970379262133628081010775
91575889608671049622396522278025399838633
91300.837
6367120923614911338293964754300210597952029267245653955
304838834454587337858900659498936474675319
92303.361
6367141752122296302853945034445026937130316381808647519
096886069234535987783491614389607866087887
92304.357
6367132012881064501385151711087822593213990288222946321
35630224621515055822184504916119735582846791
94310.618
6367163880248748879749530350794211172967371247750934958
52173860900411521192792476421245262454650143
94311.615
6367136741579421823143479603912958075793014425445607211
234719654994264601745697291911929873545997249
95314.139
6367140766163133967998893743450565924876491652731746534
0047559693977591753564441409533435488326458906313
99327.576
6367181347025164285939444434611872333991839568023473104
2303375968641104343253772324910635456762513160049
99328.573
6367146787829483132245601232010878202457098359795199591
00262905025934637180102330243940885886967927679407
100331.097
6367171584820637185124058104086664172796608436667388601
00441167915804403603361911813345849273653139433674
23
102338.354
6367191158258144010652529311487080757564385081505352666
17704796459022801680629159360469004840548117349023
7747089
107355.313
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-21T09:26:49kkmrkkblmbrbkManual testing100000000200000000012---0.350--11.338%
2021-03-15T19:21:37Seth_TrManual testing20000000034200000000---3.530--15.939%
2021-04-15T17:40:53Seth_TrManual testing40000000076400000000---7.809--17.551%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-04-29T09:52:10ATHcolab-Pp215000000150000000027--0.276


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-08-26T20:09:00ANONYMOUSManual testing??24.21681.16250e-120.0002.43006e-12


ECM factoring results:
Total ECM effort:11.088 GHz-days
Estimated T-Level:30.911
DigitsB1CurvesCompleteFacMiss
20110001155 / 10011.5500.001%
25500001147 / 2804.0961.651%
30250000873 / 6401.36425.535%
351000000288 / 15800.18283.332%

ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
11000110000080.002
5000050000002740.339
250000250000004392.716
250000250000001460.903
10000001000000002857.053
100000010000000030.074


Lucas-Lehmer results:
Exponent "63671" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T20:12:39Oliver KrusePRP
127343
19483327
112060961
223612553
170668373644332273319
6584362201529193355344652489
5626105AD9F8D4A8no
2017-09-21T21:29:44Oliver KruseManual testing
127343
19483327
112060961
223612553
170668373644332273319
6584362201529193355344652489
5626105AD9F8D4A8no
2017-10-02T16:49:09kkmrkkblmbrbkManual testing
127343
19483327
112060961
223612553
170668373644332273319
6584362201529193355344652489
5626105AD9F8D4__no
2017-12-07T03:28:18ATHxps
127343
19483327
112060961
223612553
170668373644332273319
6584362201529193355344652489
5626105AD9F8D4__no
2019-03-17T00:39:00alexlaptop
127343
19483327
112060961
223612553
170668373644332273319
6584362201529193355344652489
1304789748590524525036136750983
B97F001160652AC6no
2019-03-17T00:42:06ATHec2-PRPCFDC
127343
19483327
112060961
223612553
170668373644332273319
6584362201529193355344652489
1304789748590524525036136750983
B97F001160652AC6no


P-1 factor-bounds graph:
B1 = 400000000, B2 = 76400000000 (P-1 stage 2)
B1 = 200000000, B2 = 34200000000 (P-1 stage 2)
B1 = 400000000 (P-1 stage 1)
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 200000000 (P-1 stage 1)
B1 = 100000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
109
1010
1011
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
TF factor-bounds graph:
267
2
210
220
230
240
250
260
270
280
290
2100
2110
Last modified: 2021-04-29T09:52:10+00:00