is 2 70471259 - 1
has 21213963 decimal digits
takes 188.413 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
Actual2670.421659.7015 %----0.421659.7015 %
Target27454.289763.5135 %4500008000000018.54674.0022 %72.836464.9738 %
Difference-7-53.8681-3.8120 %-450000-80000000-18.5467-4.0022 %-72.4148-5.2723 %

Known prime factors (1 factor, 69.1 bits, 0.00009811% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
704712596501145562713957680412169.1394612621978780
22 × 5 × 31 × 44963 × 165463
2010-02-28449631654632.89870.19980.3548

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-02-28ahmeraliv4_computers2169.1395.1620.000%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-03-17ahmeraliv4_computers??
69.139
21
2007-09-13Amperiov4_computers212630.014
2008-11-21Wojciech FlorekManual testing212640.027
2010-02-20Sturle Sundegorky.ifi2642650.053
2010-02-21Sturle Sundenardi.ifi2652660.106
2010-02-22eon_blue_apocalypseFloptronic2662670.212


ECM factoring results:
No ECM results for M70471259


Lucas-Lehmer results:
No L-L results for M70471259


PRP results:
No PRP results for M70471259


CERT results:
No CERT results for M70471259


P-1 factor-bounds graph:
103
104
105
103
104
105
106
TF factor-bounds graph:
267
266
265
264
263
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00