is 2 102056533 - 1
has 30722078 decimal digits
takes 406.348 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
Actual276149.956064.4737 %7430002177600010.90543.9100 %160.861565.8627 %
Target276149.956064.4737 %65000011000000038.14833.8500 %188.104365.8414 %
Difference---+93000-88224000-27.2429+0.0600%-27.2429+0.0213 %

Known prime factors (1 factor, 76.4 bits, 0.00007484% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
102056533982894549941931369219272376.379481544160402711
3 × 7 × 431 × 4003 × 13290887
2021-01-08400313290887149.964.20247.8082

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-01-08MarkSdesktop-i774300021776000622376.37910.913.910%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-261997rj7Manual testing2632640.019
2010-08-16Mr-Plonklinux-i7-9202642650.037
2012-04-22csabaapugep2652660.073
2013-09-07processinfoManual testing2662670.146
2013-09-08PascalBieriManual testing2672680.293
2013-09-09PascalBieriManual testing2682690.586
2013-09-15processinfoManual testing2692701.172
2014-04-16mitchellshazia2702712.343
2014-12-07shaugeManual testing2712724.686
2020-03-26KrieselManual testing2722739.372
2020-03-26KrieselManual testing27327418.74
2020-03-26KrieselManual testing27427537.49
2020-03-26KrieselManual testing27527674.98


ECM factoring results:
No ECM results for M102056533


Lucas-Lehmer results:
No L-L results for M102056533


PRP results:
No PRP results for M102056533


CERT results:
No CERT results for M102056533


P-1 factor-bounds graph:
B1 = 743000, B2 = 21776000 (P-1 stage 2)
B1 = 743000 (P-1 stage 1)
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108
TF factor-bounds graph:
276
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274
273
272
271
270
269
268
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266
265
264
this exponent TF target: 76
TF double-checked to: 67
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Last modified: 2024-02-09T03:30:02+00:00