is 2 88118161 - 1
has 26526210 decimal digits
takes 297.072 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
Actual276173.675864.4737 %710000138450006.96903.4905 %180.644865.7137 %
Target27586.836964.0000 %60000010000000029.40654.0467 %116.243465.4568 %
Difference+1+86.8389+0.4737 %+110000-86155000-22.4374-0.5562 %+64.4015+0.2569 %

Known prime factors (1 factor, 101.4 bits, 0.00011505% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
88118161329320238866791340759215135855131101.37718686286409608079585275
3 × 52 × 337 × 719 × 1213 × 96953 × 8743411
2018-07-239695387434111.457e+92.77684.3493

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-07-23MarkSlaptop64710000138450006231101.3776.9693.846%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-12Architects Cubedm1_612642650.042
2011-03-10wavelet3000Manual testing2652660.085
2011-04-26wavelet3000Manual testing2662670.170
2012-01-03wavelet3000Manual testing2672680.339
2012-01-03wavelet3000Manual testing2682690.678
2012-01-03wavelet3000Manual testing2692701.357
2013-06-30ManpowreManual testing2702712.714
2014-01-24SMoffatManual testing2712725.427
2017-06-29GregManual testing27227310.85
2017-07-09RichD0Manual testing27327421.71
2018-07-02ktonyManual testing27427543.42
2018-07-04tServoManual testing27527686.84


ECM factoring results:
No ECM results for M88118161


Lucas-Lehmer results:
No L-L results for M88118161


PRP results:
No PRP results for M88118161


CERT results:
No CERT results for M88118161


P-1 factor-bounds graph:
B1 = 710000, B2 = 13845000 (P-1 stage 2)
B1 = 710000 (P-1 stage 1)
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108
TF factor-bounds graph:
276
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273
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271
270
269
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265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-02-09T03:30:02+00:00