is 2 88999237 - 1
has 26791440 decimal digits
takes 300.043 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
Actual2702.684961.4286 %----2.684961.4286 %
Target27585.977264.0000 %60000010000000029.40654.0516 %115.383765.4586 %
Difference-5-83.2924-2.5714 %-600000-100000000-29.4065-4.0516 %-112.6988-4.0300 %

Known prime factors (1 factor, 93.0 bits, 0.00010447% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8899923797615956214747616970932149512892.97954840894992587193175
32 × 52 × 7 × 10853 × 689041 × 4656173
2012-03-11689041465617316,135,8314.42496.8551

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-03-11timbitminty12892.97912.010.000%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-18Architects Cubedm1_862642650.042
2011-02-10wavelet3000Manual testing2652680.588
2011-03-26wavelet3000Manual testing2682702.015


ECM factoring results:
No ECM results for M88999237


Lucas-Lehmer results:
No L-L results for M88999237


PRP results:
No PRP results for M88999237


CERT results:
No CERT results for M88999237


P-1 factor-bounds graph:
104
105
106
104
105
106
107
TF factor-bounds graph:
270
268
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
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2100
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Last modified: 2024-03-13T02:15:48+00:00