is 2 70939339 - 1
has 21354869 decimal digits
takes 189.664 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L3C940C258BCBD0__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual275107.865564.0000 %645000132225005.15713.6672 %113.022665.3202 %
Target27453.931563.5135 %5000008000000018.73004.0630 %72.661564.9959 %
Difference+1+53.9340+0.4865 %+145000-66777500-13.5729-0.3957 %+40.3611+0.3243 %

Known prime factors:
No known factors for M70939339

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-12-14TheJudgerManual testing6450001322250012--5.4384.041%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-08-14Amperiov4_computers212630.014
2008-11-19Wojciech FlorekManual testing212640.026
2010-03-09lindedW861436QU2P-FA2022642650.053
2010-03-11willmoretrans2652660.105
2016-04-01Mark RoseManual testing266267
2010-03-16Net_ForceVista642672680.421
2010-06-23GrunwalderGIMPcompute-0-02682690.843
2012-05-01Vladimir Tshegolevatykhloli2692701.685
2014-04-17Jerry HallettManual testing27027210.11
2014-11-30TheJudgerManual testing27227440.45
2016-05-25ANONYMOUSManual testing27427553.93


ECM factoring results:
No ECM results for M70939339


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2016-09-28curtiscwd-210--07l3C940C258BCBD0__189.7


PRP results:
No PRP results for M70939339


CERT results:
No CERT results for M70939339


P-1 factor-bounds graph:
B1 = 645000, B2 = 13222500 (P-1 stage 2)
B1 = 645000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
275
274
272
270
269
268
267
266
265
264
263
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00