is 2 107072711 - 1
has 32232098 decimal digits
takes 439.147 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-
PRP4C6C01399885E145PRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual276142.930964.4737 %7870002307600011.90224.0051 %154.833065.8965 %
Target276142.930964.4737 %70000012000000042.81733.9751 %185.748165.8859 %
Difference---+87000-96924000-30.9151+0.0300%-30.9151+0.0107 %

Known prime factors:
No known factors for M107072711

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-10-28tottenhoffi3-8100-01787000230760006--11.904.005%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-24lindedskynet-backup2632640.018
2010-09-06Torchwood InstitutePH95002642650.035
2012-05-17Thomas StorkDeeppurple2652660.070
2013-10-07ANONYMOUS2662670.140
2014-10-26S00030vd062672680.279
2014-11-01MarzbugXeon2682690.558
2014-11-07MarzbugXeon2692701.117
2015-01-11ANONYMOUS2702712.233
2018-02-13el groccoManual testing2712724.467
2020-03-20srow7Manual testing27227426.80
2021-04-08TheJudgerManual testing274276107.2


ECM factoring results:
No ECM results for M107072711


Lucas-Lehmer results:
No L-L results for M107072711


PRP results:
dateuseridcompidcofactorsres64
2021-10-29Ben Deloi-046b387411754d6014C6C01399885E145


CERT results:
dateuseridcompid
2021-10-30Rob SartainPeaceDell


P-1 factor-bounds graph:
B1 = 787000, B2 = 23076000 (P-1 stage 2)
B1 = 787000 (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
250
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280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00