is 2 101440771 - 1
has 30536715 decimal digits
takes 403.896 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
Actual276150.866364.4737 %8450008450004.87851.6028 %155.744865.0431 %
Target276150.866364.4737 %65000011000000038.14833.8471 %189.014665.8404 %
Difference---+195000-109155000-33.2698-2.2443 %-33.2698-0.7973 %

Known prime factors (1 factor, 78.8 bits, 0.00007772% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1014407715391692915860046361288792478.8352657557145272509
32 × 29 × 131 × 125927 × 617237
2020-12-03125927617237636.000.88161.4796

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-12-03Ben Deloi-0b78a76a35157586e84500084500012478.8354.6731.603%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-03-151997rj7Manual testing2632640.019
2010-08-13Torchwood InstituteHTPC-V642642650.037
2012-04-18Joe BauerEmma2652660.074
2013-10-25g0bManual testing2662670.147
2013-10-26JMGarciasede_vacante2672680.295
2014-03-25SMoffatManual testing2682690.589
2014-03-27kutenselaine12692701.179
2014-04-17Gnorfe_gnorfe2702712.357
2014-12-02shaugeManual testing2712724.715
2020-03-23linamentGPU72_TF2722739.429
2020-04-01SRBaseManual testing27327418.86
2020-10-10TheJudgerManual testing274276113.2


ECM factoring results:
No ECM results for M101440771


Lucas-Lehmer results:
No L-L results for M101440771


PRP results:
No PRP results for M101440771


CERT results:
No CERT results for M101440771


P-1 factor-bounds graph:
B1 = 845000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
276
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
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00