is 2 107424619 - 1
has 32338033 decimal digits
takes 440.590 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual276142.462664.4737 %8530004328900018.82254.5365 %161.285166.0853 %
Target276142.462664.4737 %70000012000000042.81733.9767 %185.279965.8864 %
Difference---+153000-76711000-23.9948+0.5599%-23.9948+0.1989 %

Known prime factors (1 factor, 77.4 bits, 0.00007203% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1074246191970674224421244004697032477.383917235845361129
3 × 72 × 241 × 727 × 35613301
2021-11-1972735613301374.2911.54321.552

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-11-19Reboot ItRI_3058530004328900022477.38318.824.537%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-24KYOJI_KAMEIlinux-i7-9202632640.018
2010-09-08Torchwood InstitutePH2-940-v3-MVB2642650.035
2012-05-18Mr-PlonkLinux-i72652660.070
2013-09-17Ryan PropperManual testing2662670.139
2014-11-01SMoffatManual testing2672680.278
2014-11-03shaugeManual testing2682713.896
2015-01-17Brandon VincentManual testing2712724.452
2020-03-28SRBaseManual testing2722738.904
2020-05-02bayanneGPU72_TF27327417.81
2021-04-12TheJudgerManual testing274276106.8


ECM factoring results:
No ECM results for M107424619


Lucas-Lehmer results:
No L-L results for M107424619


PRP results:
No PRP results for M107424619


CERT results:
No CERT results for M107424619


P-1 factor-bounds graph:
B1 = 853000, B2 = 43289000 (P-1 stage 2)
B1 = 853000 (P-1 stage 1)
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108
TF factor-bounds graph:
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273
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268
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264
this exponent TF target: 76
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00