is 2 67324711 - 1
has 20266758 decimal digits
takes 170.182 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
Actual27456.827163.5135 %----56.827163.5135 %
Target27456.827163.5135 %4500007500000016.53663.9308 %73.363764.9477 %
Difference----450000-75000000-16.5366-3.9308 %-16.5366-1.4342 %

Known prime factors (1 factor, 87.1 bits, 0.00012941% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
673247111688929035463783934050899772787.1261254315845086794308
22 × 7 × 13 × 23 × 53 × 2377 × 4507 × 263867
2014-05-284507263867835,1660.06830.0984

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-05-28HardyP Germanyws-HP-Z800_3.6GHz2787.1262.2360.000%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-12-09Wojciech FlorekManual testing2632640.029
2010-01-10Chadius012Manual testing2642650.055
2010-02-11ANONYMOUStore.pedersen2652660.111
2010-02-19ANONYMOUSGreen-7502662670.222
2010-02-21willmoretrans2672680.444
2010-02-24Gordon BowerPAIR2682690.888
2012-02-19ITSCP-CASPECEVENTS2692701.776
2012-07-11SMoffatManual testing2702713.552
2014-04-27TheJudgerManual testing27127321.31
2014-05-04TheJudgerManual testing27327428.41


ECM factoring results:
No ECM results for M67324711


Lucas-Lehmer results:
No L-L results for M67324711


PRP results:
No PRP results for M67324711


CERT results:
No CERT results for M67324711


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
274
273
271
270
269
268
267
266
265
264
this exponent TF target: 74
TF double-checked to: 67
250
260
270
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290
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Last modified: 2024-03-13T02:15:48+00:00