is 2 4979911 - 1
has 1499103 decimal digits
takes 0.690 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
Actual2675.966865.6716%----5.966865.6716%0.0000%
PrimeNet2610.061762.2951%220004500000.00913.3110%0.070863.5435%1.2484%
GPU722651.465064.6154%340007000000.01412.4144%1.479265.4697%0.8543%
Difference+2+4.5017+1.0563%-34000-700000-0.0141-2.4144%+4.4876+0.2019%+0.2019%

Known prime factors (5 factors, 279.9 bits, 0.00562042% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
497991149799111825.5705
5
-158.986e-132.448e-74.090e-7
4979911773795230775062971756.1037769167268
22 × 1942291817
2015-03-09419422918170.003721.26939.724
4979911146422930989418119112063.6671470136022405
5 × 167 × 1760641943
2017-04-0616717606419430.423319.28036.009
49799111128441763138654631692166.61311329939060544
26 × 13 × 13617715217
2020-06-1864136177152173.0332149.12278.51
49799112830673522055328570092167.94028420924812264
23 × 32 × 41 × 9627684557
2019-08-274196276845577.9467105.43196.91

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
497991138534314588637976875019672581.672
49799117291731793287372738970111212789.236
497991156195396619577570394194427592892.183
4979911140965024929594255603383189992993.509
4979911113301365675717912811653291269210356737119.770
4979911873182854524094207029411019341907519337122.716
49799112190361671247663270722926136559808567338124.043
4979911165229750409628534239940447522609600595940130.280
4979911414475513773480503351750458871493603419940131.606
49799113194250220098020349811845343357763300152141134.553
49799115642307285736666344795844345430737435652893744145.339
497991143483729895742219590314619616830799505355342345148.285
4979911109078063996607891709354048919343064981723670346149.612
49799118228294681151386845382094979568110509740890244947155.849
497991120640512117187584442749693145642444692497579708948157.176
4979911159070821272435746280538915368706367296000744783149160.122
497991112785399284912456695160300212181556197331551674537
2023823
57186.382
497991132071917583096313668913322338997559865363298767962
9851103
57187.709
497991124716955862140433416396626676335572181302910504558
88077737
58190.655
497991146771147954034607155516215822664000267799022390607
7158916631
60198.219
497991163670151816867605624498095305975286922365184564251
40150656221353
64211.952
497991115971529837034650480890317885385191124643719706719
519393991769433
65213.279
497991112308824285608321412912448318803962323052157648395
9370986801491807
66216.225
497991123291615885603922995789462940528008650401532417213
590011453946915041
68223.789
497991136191291224706823115425802095965579418616559484156
553015325019930921600525407
77254.322
497991118022941289325010267824553308410225416470015121896
14924987555368617177116862401513177
85279.892
P-1 results:
No P-1 results for M4979911


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-03-09T12:39:00TJAOIManual testing256257*56.103170.0021.4620.004
2017-04-06T15:14:28TJAOIManual testing263264*63.667200.1031.4040.209
2020-06-18T10:42:03TJAOIManual testing266267*66.613210.0681.4040.137


ECM factoring results:

Old Calculation Method

Total ECM effort:0.421 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.421 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.06593.752%
25500000.00699.419%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.421


Lucas-Lehmer results:
No L-L results for M4979911


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-21T00:32:26kkmrkkblmbrbkc4.xlarge
49799111
77379523077506297
14642293098941811911
80F3D5963126FD__no
2018-04-23T17:44:14Oliver KruseGTX-0
49799111
77379523077506297
14642293098941811911
80F3D5963126FD__no
2019-08-27T21:14:38mnd9libproj
49799111
77379523077506297
14642293098941811911
283067352205532857009
80F3D5963126FDFEno
2020-06-19T02:49:12CrypticCluecruncher
49799111
77379523077506297
14642293098941811911
112844176313865463169
283067352205532857009
80F3D5963126FDFEno


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
267
264
257
220
230
240
250
260
270
280
290
2100
Last modified: 2020-06-19T02:49:12+00:00