is 2 912203993 - 1
has 274600765 decimal digits
takes 39,663.981 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2744.194159.4595%----4.194159.4595%0.0000%
PrimeNet281536.868262.9630%32000002400000001,015.17085.6909%1,552.039065.0707%2.1077%
GPU722858,589.893864.7059%50000002400000001,122.47444.2887%9,712.368266.2195%1.5136%
Difference-11-8,585.6997-5.2464%-5000000-240000000-1,122.4744-4.2887%-9,708.1741-6.7601%-1.5136%

Known prime factors (6 factors, 275.3 bits, 0.00003018% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
912203993492590156231135.52027
33
2008-05-3127275.047e-120.00170.0035
9122039935984058194091239.122328
23 × 41
2008-05-318418.599e-110.00060.0010
912203993913590543069371446.37750076
22 × 32 × 13 × 107
2014-02-11131071.890e-80.00110.0017
9122039933787744640133911548.428207615
3 × 5 × 13841
2014-04-045138417.968e-80.04780.0888
91220399340870807316208791651.8602240223
3 × 23 × 32467
2014-07-1323324676.238e-70.11290.2083
912203993182837935730392491754.02110021768
23 × 1252721
2014-10-28812527213.193e-64.30368.0371

57 Composite Factors:
exponentprime factorscomposite factordigitsbits*
912203993294768816071620476268072374.642
91220399345002570834079151202767512581.896
912203993186580572404290785502075932683.948
912203993546697897529739660779402332685.499
9122039932013255736113751487739926172787.380
9122039932266608435091380241037059192787.551
9122039939006416732620473580831871272789.541
91220399324457328941963273147278405112890.982
912203993109411284749795596883629838412993.144
912203993346044768278803427529921933672994.805
9122039933733918305169876906099837376233098.237
912203993154808181349915639251099119068931100.288
912203993167039008997611844143839397031331100.398
912203993692543411075942467067410458335931102.450
9122039937472734041330237916444605487987132105.881
912203993269298002754786990574552997300726015937121.019
9122039931116509003153898807258780043621857253738123.070
91220399312047439484490189322540033372440130335339126.502
91220399353894921848226829529473323231871554794339128.663
912203993170458246469029928564423728306208997264140130.325
9122039931839291401293686481865587933134728988412941133.756
9122039932070752031140748956170806835835980966010341133.927
9122039937625698623683711703601923526136482313424741135.808
9122039938228177153863799400371225917567706519999941135.918
91220399322343984430114447109383389354845577692480742137.359
91220399334114006705795561224722734761321688681765742137.969
91220399392638116611913339859078011450303161628280142139.411
91220399399957115052483239319017812439811558520501742139.520
912203993368099522888410117228451790346828097722463343141.401
912203993414422007381203278332414752560230494061483143141.572
9122039934471727537227749092758955022996658881521623944145.004
91220399314143129047105094540784740543182675130250959345146.665
91220399363270111102398422915121326717544002088846138345148.826
912203993682701915103186006085089436145467694869696512746152.258
9122039932830480831219482095341235445342881953504035256147154.310
91220399310200320665332113534393871618295978267023199967891
69
52169.447
91220399311006426781230763018391235661270302023063670909259
761
53172.879
91220399345632624334715350360404323844062563267337435645200
023
53174.930
91220399349237890920002803505611463039879613083373720060980
591
53175.040
91220399320414020136105713603915235683680073155455604745450
4713
54177.092
91220399322027289661810100666933744165094674412167537770243
01897
55180.523
91220399369667661468945495490740754509663690038396556406943
71439
55182.185
91220399331166233912619896671465226357199873070844165605629
186609
56184.346
91220399384633307264401534580167052346266924600904711037248
090537
56185.787
91220399333629224301919859130820393602441854082228177468357
9179121
57187.778
91220399337861202678329196569712499971063122865989181008736
8382647
57187.949
91220399313942669948564249467638269231826638473950003227377
27060503
58189.829
91220399340853279891941557475789000421367837847003912716539
32749943
58191.380
91220399316937762011273616119872762581368023083521408562145
456656449
59193.432
91220399325859005197412484549232725337554718479300880434261
17988015657
61200.686
91220399341689534047633145836296235774746212446441282009181
04226689001459551
67221.307
91220399318650055742373873373645060446929854171749296026583
428155764815094081
68223.468
91220399320123923524479409315028428160077119075352964202461
3910378833589359489
69226.900
91220399383433748353198295857651705276777725778380569821768
9015838490634702727
69228.952
91220399312737891410145797755859009300654758261892488714289
2648417904574931609311
72236.206
91220399315474179194259207623250161007857667431980357761719
19710370423669006486713
73239.809
91220399376224283468311586022528037912332626579225873281365
524147038334628719509884008917199
83275.328
P-1 results:
No P-1 results for M912203993


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-02-11T11:53:00TJAOIManual testing??46.377148.62171e-981,2531.76619e-8
2014-04-04T10:21:00TJAOIManual testing??48.428153.85708e-881,2537.90136e-8
2014-07-13T12:33:00TJAOIManual testing??51.860162.94900e-781,2536.04112e-7
2014-10-28T12:11:00TJAOIManual testing254255*54.021175.62609e-781,2531.15252e-6
2022-09-25T22:01:47LordJuliusManual testing2126654.021173.19343e-681,2536.54185e-6
2022-09-25T22:01:47LordJuliusManual testing2126648.428157.96774e-881,2531.63222e-7
2022-09-25T22:01:47LordJuliusManual testing2126651.860166.23753e-781,2531.27778e-6
2022-09-25T22:01:47LordJuliusManual testing2126635.520115.04722e-1281,2531.03394e-11
2022-09-25T22:01:47LordJuliusManual testing2126639.122128.59863e-1181,2531.76146e-10
2022-09-25T22:01:47LordJuliusManual testing2126646.377141.88984e-881,2533.87139e-8
2019-06-16T16:39:40Seth_TrManual testing266267--0.016--
2019-06-17T03:47:23Seth_TrManual testing267268--0.033--
2019-06-18T17:57:33Seth_TrManual testing268269--0.066--
2019-06-20T17:32:04Seth_TrManual testing269270--0.131--
2019-06-21T16:29:42Seth_TrManual testing270271--0.262--
2019-06-23T16:47:10Seth_TrManual testing271272--0.524--
2019-12-19T05:42:57Seth_TrManual testing272273--1.049--
2022-09-25T22:01:47LordJuliusManual testing273274--2.097--


ECM factoring results:
No ECM results for M912203993


Lucas-Lehmer results:
No L-L results for M912203993


PRP results:
No PRP results for M912203993


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
TF factor-bounds graph:
274
273
272
271
270
269
268
267
266
255
2
230
240
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:47+00:00