is 2 801127 - 1
has 241164 decimal digits
takes 0.016 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
Actualunknown100000008300000001.583451.1028%1.583451.1028%51.1028%
PrimeNet2400.000050.0000%70003000000.000722.3154%0.000761.1577%11.1577%
GPU722440.000054.5455%130005000000.001117.1212%0.001162.3278%7.7824%
Difference-440.0000-54.5455%+9987000+829500000+1.5823+33.9816%+1.5822-11.2250%-11.2250%

Known prime factors (2 factors, 142.5 bits, 0.01779062% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8011278011271722.9345
5
-156.982e-133.527e-85.894e-8
801127100168318959540668452468444537983380937119.592625171283451566783122204372952
23 × 13649 × 15739 × 226103 × 2500879 × 643327417
2021-08-2525008796433274172.066e+111.08351.8958

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
801127802475548799318330493875328142254657886123943142.525
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-17T18:52:02alpertronManual testing3000001000000012---0.024--28.235%
2021-08-25T09:07:49gLaussManual testing1000000083000000037119.5921.5830.0323.16742.558%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-09-13T07:11:10gLaussManual testing500000036500000027--0.777


Trial Factoring results:
Exponent "801127" not found


ECM factoring results:

Old Calculation Method

Total ECM effort:11.446 GHz-days
Estimated T-Level:25.344
DigitsB1CurvesCompleteFacMiss
2011000325 / 1003.2503.815%
2550000325 / 2801.16131.261%
3025000044 / 6400.06993.351%

New Calculation Method

Total ECM effort:11.446 GHz-days
Estimated T-Level:25.344
DigitsB1CompleteFacMiss
201100012.7310.000%
25500001.34925.941%
302500000.10889.793%
3510000000.00799.295%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002816.420
25000025000000445.026


Lucas-Lehmer results:
Exponent "801127" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-28T01:15:40Oliver KruseGTX-0
8011271
21AFD7CC61F666__no
2017-10-14T11:21:18kkmrkkblmbrbkc4.xlarge21AFD7CC61F666__no
2020-04-21T06:43:51Oliver KruseAddPrpType5
8011271
2350C48975633F__no
2021-08-25T09:37:21SRJ2877LTOS
8011271
1001683189595406684524684445379833809
2350C48975633F8Bno


P-1 factor-bounds graph:
B1 = 10000000, B2 = 830000000 (P-1 stage 2)
B1 = 10000000 (P-1 stage 1)
B1 = 300000, B2 = 10000000 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
100
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105
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107
100
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109
TF factor-bounds graph:
220
230
240
250
260
270
280
290
2100
2110
2120
Last modified: 2021-09-13T07:11:10+00:00