is 2 168322477 - 1
has 50670115 decimal digits
takes 1,145.528 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
Actual27311.364261.6438 %1435000143500014.16072.9189 %25.524862.7634 %
Target278363.685964.1026 %1000000180000000106.10543.9218 %469.791365.5104 %
Difference-5-352.3217-2.4587 %+435000-178565000-91.9448-1.0029 %-444.2665-2.7470 %

Known prime factors (1 factor, 77.6 bits, 0.00004612% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1683224772339369563522258988924572477.630694907063280164
22 × 72 × 113 × 46819 × 670147
2021-08-1046819670147181.840.79710.9403

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-08-10DobriGameOn1435000143500012477.63014.161.719%


Trial Factoring results:
57585960616263646566676869707172737475767778
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-07-07Mr-Plonklinux-i7-9202632640.012
2011-02-16Damian SilvestrePcDamiLinux2642650.022
2013-03-25Richardsvn_022652660.044
2015-06-04SummyGR-PC182662670.089
2016-03-31XZTManual testing2672680.178
2017-04-29tsccx82682690.355
2018-02-20ZenghuiManual testing2692700.710
2018-02-24Oliver KruseManual testing2702711.421
2018-08-25Leo Deng1072712722.841
2018-08-31Leo Deng1072722735.683


ECM factoring results:
No ECM results for M168322477


Lucas-Lehmer results:
No L-L results for M168322477


PRP results:
No PRP results for M168322477


CERT results:
No CERT results for M168322477


P-1 factor-bounds graph:
B1 = 1435000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
TF factor-bounds graph:
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 78
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00