is 2 4373 - 1
has 1317 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
Actualunknown10000000002010000000001.048456.0455%1.048456.0455%-11.4545%
PrimeNet2400.000067.5000%500100000.00002.4476%0.000068.2955%0.7955%
GPU722440.000570.4545%500100000.00000.9766%0.000570.7431%0.2885%
Difference-44-0.0005-70.4545%+999999500+200999990000+1.0484+55.0689%+1.0479-14.6976%-14.6976%

Known prime factors (7 factors, 321.4 bits, 7.34974236% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
437361223515.9027
7
-179.997e-131.169e-101.794e-10
4373104953616.67912
22 × 3
-442.002e-123.525e-107.174e-10
437310550603461131339.940120633472
27 × 942449
-1289424491.911e-54.536e-68.452e-6
4373218104584720132171754.2762493763831696
24 × 19 × 8203170499
-1982031704990.62910.03940.0736
43733710393980553068071858.36442423896416111
7 × 113 × 2927 × 18323623
-29271832362316.9368.822e-50.0002
43732798937395440101543772167.92332002485655615156
22 × 11 × 727329219445799
-1172732921944579912,5893,492.26,522.5
43733681715829449034585272168.31942095996220546931
13 × 41 × 89 × 1021 × 869156203
-102186915620325,6170.00420.0078

120 Composite Factors:
exponentprime factorscomposite factordigitsbits*
437364255375191032.581
4373645939595700761991755.842
43731107317485055976891856.620
437313353016990320651843912270.178
437322890730480132031638012270.955
437367793298387582073136472272.522
4373227161450671400486449612374.266
4373389416979440986153150712375.044
4373171359344161029336814230712683.825
4373225405688226358244413985212684.221
4373293756876463624977323292812684.603
4373386407121448164526827842312684.998
43731401439192185123372973886232786.857
437323841275732315495254345918332890.946
4373230113498643654778519305755212994.216
43733914689557337911789098248911913098.305
4373179846772477325119866639557066331100.505
4373236570031964209768259809897451331100.900
437329530478571816522827298418188660133107.864
437338844323773082093076286736115555133108.259
4373140882387274604765052874562512218334110.118
4373241511020231474999699366969265551334110.896
4373809253938276605070101651589406811934112.640
43732396690387688989734639620931338659335114.207
43734108584131112858560012285180516902335114.984
4373610461078290111704394142071415440080937122.199
4373802999102039518647006409057975535135937122.595
43731807944489602322977055691056764337302338123.766
43732378166034359404984409502845202629887338124.161
43733099312317547859520293450884154443475338124.543
43734076828312956284914635521815535854410338124.939
437310385160463985835121939798266016894423939126.288
437313660616251694644110079431396038529328939126.683
437314786029191631593906594343959344847239939126.798
437349544953863108592206833415258253244953739128.542
437384933628583944531922378639263013129340739129.320
4373251539846259122539619632135606786309512940130.886
437310304892114428673967623485321163448702267942136.242
437337374258596155508878122560038267488072940742138.101
437349162014024165450125673381756436187625205742138.497
437364069721549782093711278392821264682810697742138.879
437384277164756353600559263649861706339118112742139.274
4373189749198017232603410925943480587492888291943140.445
4373249595659804122631328730552112551614561796943140.841
4373635810679086604783670520269240352327314429743142.190
4373836343908777501196351393028359666881103244743142.585
43731089953746176705353552947647413271120471576744142.967
43731433722657464107983285166563308431768656041744143.363
43735199891542794836077883787431599452817625676144145.221
4373630896409921666706319812641817589819898947641746152.144
4373853811740211423283992059154012487527573887144746152.581
43731081529342085632618923987654912067431649122908747152.922
43733922540562442309123285597043696287675719345287147154.780
43735159700857878236487039798435483247199828213832147155.176
437366730238202176431860572113817582697808631340304148158.869
437387776802257925083060667752505432118172428840999148159.264
4373644073276549280445063515876837268975566566720541749162.140
4373847212510526242747914499412036926383569046491756749162.535
437310956970993571938875283155118493181876785313739300
7
51166.228
437314412774510629823937568761760626649530832735613565
7
51166.624
437352272916170963967715845837586106523900656092659968
1
51168.482
437366214470910508685828383296196681504367854251839340
1
51168.824
437389610103570409507924818584391072603481462177497699
1
51169.260
437310872283040906241157532467379014083151659491262049
6727
54176.183
437339432098210176596688123632527608118491111914331724
4991
54178.042
437351868891531948159755569397503136743981247733364820
4441
54178.437
437367597422593676630550751181821701890792637877021013
0401
54178.819
437388917494617260755121870456791511534734722136449340
9351
54179.215
437322650511102495656918915952694782576299656125957440
06863
55180.564
437329794430345969488735270548319587424908468892068294
00713
55180.959
437367081863513945481376146060581950807404242726306120
67561
55182.130
437388239329386428971092977230127084536422617257246933
28511
55182.526
437311499669766883557007775929791512149175142490328808
263671
56182.908
437315126639232141319117196542530630487482094881008505
609121
56183.303
437354861993708911813036811681921746380029455588929416
319993
56185.162
437322475442152032306533595590291296706025060614247014
66748343
58190.518
437366563378461340280238761025034537921279404903353646
71117121
58192.085
437311410787219922327282065050488296650690161185864258
992988831
59192.862
437338235209671624929822138180706195990174182827235549
312075953
59194.607
437341385170034526643522086396046700548599976687448574
813540423
59194.721
437354437957729525552108262749761467106910638933598380
000696273
59195.116
437313867322412280916035467913718326736687938469994923
5332173449
60196.465
437318241044090712900088394687797701009151711909790971
6399851999
60196.861
437323772390917402266806109859831755157303778093876112
0752292439
60197.243
437331270148481005357512328498577856590064185356292436
6093031489
60197.639
437370404428213791201068706574962574830894974868540062
8326729633
60198.809
437392609823370938798031212392335279033511629489998373
8907214983
60199.205
437313760139948738739029063228244040582329722859860449
7898733803489
63206.420
437323588650801822466676204579878424631874481866470669
3039638842879
63207.198
437369860262596530464318986858604498584520373828216752
8327755200313
63208.764
437323408742417258930785007658373754371064339952318420
35533226070519
64210.509
437340128999606660512596228684796573877567510102668526
06950307495209
64211.286
437314554170891361189806704639484795459956092062413772
095817599992897
65213.145
437319144523004525910029772876684321140134996200682918
465313666851047
65213.540
437323897656083435417006950768226914439999997023055537
44231622227373519
67220.504
437331434921993058239119572199340759199061291586610467
91559602148978569
67220.900
437314441679680399768773172729938967912372514033109337
867965808877581017
68223.099
437324568177429185765626789087693006425063156710156751
7155318675779180607
69227.188
437323712947775965914897693074755106045150377264119259
67395205526249240759
70230.459
437340340453549847723533264444465591280156786080860079
540176534022724320689
71234.547
437314630861983961665354165468831563827601198177425291
6883092607626488953737
72236.406
437319245402291810045736175687602393004441294548070526
7719653522366914929887
72236.801
437325081306989247973211305039777193512213196875607478
2118341447629532939607
72237.184
437332991893679374413703164610374107002190797358895284
3914554924341747752257
72237.579
437314517778016879612077814631157318574022415472411734
3501836667933557266988257
75246.360
437324887450079309506662575812747726447566675450011086
6056029005596436565379327
75247.138
437383392745271169364341188900323557847712132839235863
1007568313271581523870801
75248.883
437324697635876823271778770490835168949450389142284966
49688227942473251085542647
76250.449
437342338516214171681279867032399972016262951695445079
27980147775286985629272617
76251.227
437315355528578027286639157284502791183982285523153166
385631218448222895161559361
77253.085
437320198627067323397301488469409339529951271867036459
962980796132974822636430311
77253.481
437315236843562055659264028789838540562993745710760287
552548263809630635842218536921
80263.040
437351055540437368019930606080445091821104799088165372
466176354843426035635942049623
80264.784
437387523187944450382957007986556583667909314778763215
400137317182792295674812177353
80265.562
437325920909781802328429972993246234867516666916502340
8874728587246395121180957430591
81267.128
437353584321355230857957768999609537219004119787002203
36442606969882092718099025934082719
85281.464
437387984378689113193582056961397286800494740218553623
1095267878522806413942023274554546513
87288.823
437353866676164835770506742733476260897866894804005084
676345585326801777080772490938053001165399
92304.725
437392342244965584970060176242695294415723244701578584
062141649654604101562457168734323320178889
92305.502
437356534692635280086219941701065340100138242103647456
52036498216803826909958315241421476631312121247
97321.404
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-07-06T03:03:00ViliamF31000000000201000000000---1.048--48.035%


Trial Factoring results:
Exponent "4373" not found


ECM factoring results:
Total ECM effort:28.266 GHz-days
Estimated T-Level:36.807
DigitsB1CurvesCompleteFacMiss
20110001803 / 10018.0300.000%
25500001803 / 2806.4390.158%
302500001803 / 6402.8175.964%
3510000001699 / 15801.07534.107%
4030000001699 / 47000.36169.661%
4511000000914 / 97000.09491.007%
5044000000200 / 171000.01298.837%

ECM Summary

B1B2factorcurvesGHz-days
30000003000000007852.986
11000000110000001040.984
110000001100000000140.195
11000000220000000070012.94
44000000440000000020011.16


Lucas-Lehmer results:
Exponent "4373" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T18:34:35Oliver KruseOliver-PCB96E130EA8A4D0__?
2017-09-21T19:21:12Oliver KruseManual testingB96E130EA8A4D0__?
2017-10-02T09:55:58kkmrkkblmbrbkManual testing
61223
104953
1055060346113
21810458472013217
371039398055306807
279893739544010154377
368171582944903458527
B96E130EA8A4D0__no
2017-12-07T02:44:28ATHManual testing
61223
104953
1055060346113
21810458472013217
371039398055306807
279893739544010154377
368171582944903458527
B96E130EA8A4D0__no
2020-04-17T12:32:25Oliver KruseIOS-1
61223
104953
1055060346113
21810458472013217
371039398055306807
279893739544010154377
368171582944903458527
3A1E83CF1DEDE1__no


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 201000000000 (P-1 stage 2)
B1 = 1000000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
109
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
TF factor-bounds graph:
210
220
230
240
250
260
270
280
290
2100
Last modified: 2021-07-06T03:03:00+00:00