is 2 101669479 - 1
has 30605563 decimal digits
takes 404.807 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
Actual276150.526964.4737 %845000171112509.99493.7872 %160.521965.8191 %
Target276150.526964.4737 %65000011000000038.14833.8482 %188.675265.8408 %
Difference---+195000-92888750-28.1533-0.0610 %-28.1533-0.0217 %

Known prime factors (1 factor, 102.4 bits, 0.00010072% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
101669479670761412182589076474711670391131102.40432987353667003107022645
5 × 137 × 823 × 32257 × 138371 × 13109557
2020-12-20138371131095571.714e+94.87897.7017

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-12-20Superbobmgarrett06845000171112506231102.4049.573.787%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-03-291997rj7Manual testing2632640.019
2010-08-14James Hintzryan2642650.037
2012-04-17Andrew Bdell_xps_172652660.074
2013-08-18america64Manual testing2662670.147
2014-03-28g0bManual testing2672680.294
2014-04-01NickOfTimeManual testing2682690.588
2014-07-09SMoffatManual testing2692701.176
2014-08-10SMoffatManual testing2702712.352
2014-12-03shaugeManual testing2712724.704
2020-02-23ViliamFManual testing27227428.22
2020-03-03Niels_Mache_NextcloudManual testing272274
2020-10-10TheJudgerManual testing274276112.9


ECM factoring results:
No ECM results for M101669479


Lucas-Lehmer results:
No L-L results for M101669479


PRP results:
No PRP results for M101669479


CERT results:
No CERT results for M101669479


P-1 factor-bounds graph:
B1 = 845000, B2 = 17111250 (P-1 stage 2)
B1 = 845000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
276
274
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: 2024-03-13T02:15:48+00:00