is 2 104655371 - 1
has 31504406 decimal digits
takes 416.696 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
Actual276146.232364.4737 %7700007700004.44551.5471 %150.677765.0233 %
Target276146.232364.4737 %65000012000000041.29373.9254 %187.526065.8682 %
Difference---+120000-119230000-36.8483-2.3783 %-36.8483-0.8449 %

Known prime factors (1 factor, 80.5 bits, 0.00007691% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10465537116962647094458282413327132580.4898104049955763036
22 × 112 × 239 × 331 × 2767 × 76493
2021-07-022767764932,339.70.03920.0449

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-07-02MarkSdesktop-i777000077000012580.4894.4451.547%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-24Richard2632640.019
2010-08-28garonorth2642650.036
2012-05-10Aldo_GridAspireone_22652660.071
2013-09-02Cow_tippingManual testing2662670.143
2013-09-02Cow_tippingManual testing2672680.286
2014-05-23g0bManual testing2682690.571
2014-10-12La GüiraManual testing2692701.142
2014-10-17ITSLJCA_-_ServerStation2702712.285
2015-01-10Quantum SingularityManual testing2712724.570
2020-03-04tscManual testing2722739.140
2020-04-01SRBaseManual testing27327418.28
2021-03-20RichD0Manual testing27427536.56
2021-03-241997rj7Manual testing27527673.12


ECM factoring results:
No ECM results for M104655371


Lucas-Lehmer results:
No L-L results for M104655371


PRP results:
No PRP results for M104655371


CERT results:
No CERT results for M104655371


P-1 factor-bounds graph:
B1 = 770000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-03T02:29:32+00:00