is 2 70606639 - 1
has 21254717 decimal digits
takes 188.775 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
Actual27454.185663.5135 %645000133837505.19114.0485 %59.376864.9907 %
Target27454.185663.5135 %4500008000000018.54674.0032 %72.732364.9741 %
Difference---+195000-66616250-13.3556+0.0453%-13.3556+0.0165 %

Known prime factors (1 factor, 99.4 bits, 0.00014079% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
706066398408100611461710078221713425533099.4085954185562820594022484
22 × 11 × 37 × 409 × 21611 × 33893 × 12208429
2014-10-1233893122084292.217e+92.70284.8161

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-10-12TheJudgerManual testing645000133837501223099.4085.4744.048%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-10-17Amperiov4_computers212630.014
2008-11-23Wojciech FlorekManual testing212640.028
2010-02-26Mads Johansen2642650.053
2010-10-25JMGarciajmgarcia-linux2652660.106
2010-10-29ANONYMOUSthe_machine2662670.212
2010-11-22ANONYMOUS2672680.423
2010-12-22ANONYMOUS2682690.847
2013-07-27ANONYMOUS2692701.693
2014-04-13HBendtzManual testing2702713.387
2014-10-08brilongManual testing27127447.41


ECM factoring results:
No ECM results for M70606639


Lucas-Lehmer results:
No L-L results for M70606639


PRP results:
No PRP results for M70606639


CERT results:
No CERT results for M70606639


P-1 factor-bounds graph:
B1 = 645000, B2 = 13383750 (P-1 stage 2)
B1 = 645000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
274
271
270
269
268
267
266
265
264
263
this exponent TF target: 74
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00