is 2 471190021 - 1
has 141842330 decimal digits
takes 11,030.973 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
Actual2680.126557.3529%----0.126557.3529%0.0000%
PrimeNet278129.918962.8205%1800000120000000279.70855.7764%409.627464.9682%2.1476%
GPU722822,078.708664.6341%2800000120000000311.80484.3058%2,390.513566.1569%1.5228%
Difference-14-2,078.5821-7.2812%-2800000-120000000-311.8048-4.3058%-2,390.3870-8.8040%-8.8040%

Known prime factors (5 factors, 249.3 bits, 0.00005291% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
471190021103661804631133.27111
11
2008-03-251112.434e-125.244e-56.909e-5
47119002110733708678391339.9651139
17 × 67
2008-03-2517671.938e-100.00070.0012
471190021193148969466664571754.10120495868
22 × 3 × 971 × 1759
2014-11-0397117596.800e-60.03440.0671
47119002111347389492532330631959.9771204120311
3 × 23 × 71 × 245789
2015-12-29712457890.00020.45690.8490
47119002145701764557742947771961.9874849610828
22 × 151 × 8029157
2016-06-1715180291570.000914.85427.735

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
471190021111267561197459968294572373.236
4711900212002217073733921795308295912787.372
471190021117629087263540130172562481692993.248
471190021207320476978642262481613764232994.066
471190021473752738883100780549403417512995.258
47119002112179957307306577538088381608573199.942
471190021490549426851181998749669497690331101.952
4711900212191736586619477498506738754546779135114.078
4711900218827248727136185634376702021619508935116.088
471190021518595722932718801881537807604461195137121.964
47119002121491214780358426896030224994729142384939127.337
4711900211262596354791755312267264197980468473679141133.214
4711900215085123884760570443896114374664211484608941135.223
47119002122719936984257134860288666951227773925996723345147.349
47119002191504853297280745463417029678884756778834620745149.359
4711900212352546202054236157832911003557530289689227364947154.043
4711900215375856851260510707537164861585218472287251331347155.235
4711900219474911626876875683511125400788438008245984267147156.053
471190021556645541181885974583338542620289926632486094388949161.929
47119002110016622945427454299657064628428507155855146559302
7607
54176.065
47119002124386918478039473325715706463495793985507199051591
3519487
57187.314
47119002198218643795182614416892799372796150877366155007817
3936673
57189.324
47119002157702881338157283192195185658253422648533807327733
891040607
59195.200
47119002110383412108212759194493041095114394527128131632104
59488703042041
64209.336
47119002110751551263749506958439415420303616796647460292533
3391313075431273
66216.030
47119002111145252065722309915845722109909228596564554678302
73648791136452107471819399
76249.301
P-1 results:
No P-1 results for M471190021


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-11-03T12:28:00TJAOIManual testing254255*54.101171.70654e-622,5903.49485e-6
2015-12-29T14:45:54TJAOIManual testing259260*59.977191.66156e-522,5903.40273e-5
2022-07-12T07:52:01LordJuliusManual testing260261--0.000--
2016-06-17T15:45:38TJAOIManual testing261262*61.987190.00022,5900.000
2022-08-10T19:29:47LordJuliusManual testing2126833.271112.43439e-1222,5904.98542e-12
2022-08-10T19:29:47LordJuliusManual testing2126839.965131.93750e-1022,5903.96784e-10
2022-08-10T19:29:47LordJuliusManual testing2126859.977190.00022,5900.000
2022-08-10T19:29:47LordJuliusManual testing2126854.101176.79970e-622,5901.39252e-5
2022-08-10T19:29:47LordJuliusManual testing2126861.987190.00122,5900.002


ECM factoring results:
No ECM results for M471190021


Lucas-Lehmer results:
No L-L results for M471190021


PRP results:
No PRP results for M471190021


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
TF factor-bounds graph:
268
262
261
260
255
230
240
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:47+00:00