is 2 117274397 - 1
has 35303112 decimal digits
takes 541.580 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
Actual277260.996164.9351 %6210004850274021.62694.0741 %282.623066.3636 %
Target276130.497364.4737 %80000014000000056.14084.2063 %186.638165.9680 %
Difference+1+130.4988+0.4614 %-179000-91497260-34.5139-0.1322 %+95.9849+0.3956 %

Known prime factors (1 factor, 96.0 bits, 0.00008190% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
117274397816184873514124416551292781192996.043347980844239226579247
3 × 479 × 1427 × 3851 × 43889 × 1004027
2023-03-08438891004027136,837,9360.64420.6841

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2023-03-08MarkSdesktop-i76210004850274022996.04323.774.479%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-11oodairaWin022632640.017
2010-10-11vapaddybengie2642650.032
2012-07-05Mr-PlonkLinux-i72652660.064
2014-12-21Richard172.26.176.222662670.127
2015-09-02el groccoManual testing2672680.255
2015-09-07JMGarciajmgarcia-W12S2682690.510
2015-09-11vichicoHP-vichico2692701.020
2015-09-16Sergey Sukhanovhome2702712.039
2015-09-17taffaManual testing2712724.078
2015-09-17taffaManual testing2722738.156
2020-02-13Niels_Mache_NextcloudManual testing27327416.31
2021-07-21FlaukrotistManual testing27427532.62
2021-07-231997rj7Manual testing27527665.25
2022-05-08TheJudgerManual testing276277130.5


ECM factoring results:
No ECM results for M117274397


Lucas-Lehmer results:
No L-L results for M117274397


PRP results:
No PRP results for M117274397


CERT results:
No CERT results for M117274397


P-1 factor-bounds graph:
B1 = 621000, B2 = 48502740 (P-1 stage 2)
B1 = 621000 (P-1 stage 1)
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104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
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Last modified: 2024-02-09T03:30:02+00:00