is 2 95923 - 1
has 28876 decimal digits
takes 0.000 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
Actualunknown10000000020000000000.655848.3268%0.655848.3268%48.3268%
PrimeNet2400.000057.5000%1000170000.00007.6151%0.000060.7364%3.2364%
GPU722440.000061.3636%1100140000.00003.7077%0.000062.7962%1.4325%
Difference-440.0000-61.3636%+99998900+1999986000+0.6558+44.6190%+0.6557-14.4694%-14.4694%

Known prime factors (5 factors, 388.9 bits, 0.40540836% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
959237954111658331239.5334146092
22 × 139 × 7457
-13974571.086e-61.733e-62.446e-6
959231056458710316270231856.552550680603357
3 × 73 × 1291 × 1947733
2008-08-26129119477330.17930.00030.0006
9592398909039964649167661912273.06751556477572974765
5 × 89 × 829 × 14173 × 9860681
2014-09-2514173986068122,2940.00180.0032
95923547818889183843155156592572685.502285551374114572706836
22 × 32 × 7931982614293686301
2014-09-259793198261429368630193,993,9731.393e+92.601e+9
959232547927615150366005180945290576068872115141134.226132811088849929944079154388966987525
3 × 52 × 863 × 4637 × 7589 × 58309676159504733618113
2019-10-217589583096761595047336181131.432e+121.024e+131.912e+13

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
95923840319054427092127792571051592996.085
95923786733547897043835567929158875210334112.600
959234357412613110597179105224017794856608138125.035
95923104493316799673690089373938861840837939340129.619
95923578748037154054698619582221463085918130191143142.054
9592354184240403674456283932876033376630038589378008748158.568
9592383115150937385454347966062675184086021788230287936
9
51169.152
9592320266500748248479777776266116941018897391730755633
783
53173.759
9592346034265095626704725205335053735316511378049432608
06863
55181.587
9592326917803222809657787282725193053276361737836522006
83263473
58190.778
9592343098749829262241809805441792024769918571104940670
3990167471
60198.101
9592325201307431394079528831223418955004985481572329456
6490263405841
63207.293
9592357243412736332657520520533074855387522352898969703
142235368491001
65215.121
9592313958028758525121247814493122807422968033909691515
34912322004844807
67219.728
9592321410721243118314558434319566987866543770233181876
62070678230034518009
70230.311
9592320045401324521011462481562755562692706072224685511
0267694750683247031830553
75246.826
9592345532049660865959755308352334085360047035720716738
840911357873113459379168833
77254.653
9592311102371927549008329341805678126213144950193199605
26123451447310707810105879231
79259.261
9592326624140747254426058294156854132736776899716418358
869972689419661522523591641343
80263.845
9592314746081060788860061865044281649178384517197376762
1709458514719453166372529822419561
84276.280
9592313805752243046836240920735408826055544190621374486
095839720212408713699360109505259520137
89292.795
9592321177138831075522824897050122597487883844718259653
919929553348163395822741815687049631833719
92303.378
9592311729197528029988524467167376376742986735407522288
1677348117596148833988617257636303475874059313
96315.813
9592310981249486843438782412997412878056718311475397864
67437312042526054935669594296767301975739330987912
1
101332.328
9592314585207209635215521895808140948033654122532468341
95070971881602526602229946184908598354520765791341
862151
106349.347
9592311601236670531823608923362291747167834694522637278
26617851886521827328998117752482998807715307764099
175390984087086783
118388.880
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-01-02T00:40:55kkmrkkblmbrbkManual testing100000000200000000012-
skipped known factor: 795411165833
skipped known factor: 105645871031627023
skipped known factor: 9890903996464916766191
--0.656--40.701%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-04-23T16:33:18nordisweet1640000000200000000027--0.533
2021-04-29T17:52:20nordisweet1640000000200000000065--0.533


Trial Factoring results:
No TF results for M95923


ECM factoring results:

Old Calculation Method

Total ECM effort:13.380 GHz-days
Estimated T-Level:30.409
DigitsB1CurvesCompleteFacMiss
20110001017 / 10010.1700.004%
2550000987 / 2803.5252.927%
30250000713 / 6401.11432.794%
351000000128 / 15660.08292.149%

New Calculation Method

Total ECM effort:13.380 GHz-days
Estimated T-Level:30.409
DigitsB1CompleteFacMiss
201100085.3240.000%
255000013.4930.000%
302500001.63119.565%
3510000000.16285.035%
4030000000.01498.636%
45110000000.00199.899%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
110001100000300.015
5000050000001420.330
5000050000001320.306
250000250000005836.765
2500002500000020.023
10000001000000001265.848
100000010000000020.093


Lucas-Lehmer results:
No L-L results for M95923


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T20:49:39Oliver KruseDoppelherz
795411165833
105645871031627023
9890903996464916766191
54781888918384315515659257
80B6E737DEDE962Ano
2017-09-22T10:00:15Oliver KruseManual testing
795411165833
105645871031627023
9890903996464916766191
54781888918384315515659257
80B6E737DEDE962Ano
2017-10-09T01:56:02Chang Chia-Tchehomura80B6E737DEDE96__?
2017-10-13T09:00:38kkmrkkblmbrbkManual testing
795411165833
105645871031627023
9890903996464916766191
54781888918384315515659257
80B6E737DEDE96__no
2019-10-24T02:39:59Justine V.Gible_Desktop_1
795411165833
105645871031627023
9890903996464916766191
54781888918384315515659257
25479276151503660051809452905760688721151
00C4B4C9B5199E6Cno
2019-10-28T03:05:05Chang Chia-Tcheexbpc13
795411165833
105645871031627023
9890903996464916766191
54781888918384315515659257
25479276151503660051809452905760688721151
00C4B4C9B5199E6Cno


P-1 factor-bounds graph:
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-04-29T17:52:20+00:00