is 2 117486617 - 1
has 35366996 decimal digits
takes 542.560 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
Actual2791,042.103365.8228 %5710004010331018.24593.2029 %1,060.349366.9175 %
Target276130.261664.4737 %80000014000000056.14084.2072 %186.402465.9684 %
Difference+3+911.8417+1.3491 %-229000-99896690-37.8948-1.0043 %+873.9469+0.9491 %

Known prime factors (1 factor, 88.8 bits, 0.00007557% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1174866175343701803748703759575128312788.7882274174684827593495
5 × 2417 × 4969 × 20023 × 1891381
2023-07-12200231891381533,5580.81681.2888

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2023-07-12MarkSdesktop-i75710004010331022788.78820.064.286%


Trial Factoring results:
5758596061626364656667686970717273747576777879
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-17Richard2632640.017
2010-10-11oodairaLinux012642650.032
2012-07-10subgeniusdoorman2652660.064
2014-12-09ANONYMOUSdhzja2662670.127
2015-03-09SMoffatManual testing2672680.254
2015-06-26workerthreadManual testing2682690.509
2015-10-29mhskManual testing2692701.018
2015-11-09mhskManual testing2702712.035
2015-11-19mhskManual testing2712724.071
2020-01-10Niels_Mache_NextcloudManual testing2722738.141
2020-01-10Niels_Mache_NextcloudManual testing27327416.28
2021-06-30TheJudgerManual testing27427532.57
2021-06-30TheJudgerManual testing27527665.13
2022-03-05voidfManual testing276277130.3
2022-07-23PrismManual testing277278260.5
2023-07-05PrismManual testing278279521.1


ECM factoring results:
No ECM results for M117486617


Lucas-Lehmer results:
No L-L results for M117486617


PRP results:
No PRP results for M117486617


CERT results:
No CERT results for M117486617


P-1 factor-bounds graph:
B1 = 571000, B2 = 40103310 (P-1 stage 2)
B1 = 571000 (P-1 stage 1)
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108
TF factor-bounds graph:
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this exponent TF target: 76
TF double-checked to: 67
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Last modified: 2024-02-09T03:30:02+00:00