is 2 88096427 - 1
has 26519668 decimal digits
takes 296.999 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
Actual276173.718764.4737 %7100007100003.47071.4553 %177.189464.9907 %
Target27586.858364.0000 %60000010000000029.40654.0466 %116.264865.4568 %
Difference+1+86.8603+0.4737 %+110000-99290000-25.9357-2.5913 %+60.9246-0.4661 %

Known prime factors (1 factor, 83.5 bits, 0.00009483% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
88096427141126088891999117822502412683.54580097510022738560
27 × 32 × 5 × 11 × 17 × 113 × 937 × 702323
2018-07-2493770232322,2360.19140.3494

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-07-24MarkSlaptop6471000071000012683.5453.4711.633%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-13Architects Cubedm1_182642650.042
2011-03-10wavelet3000Manual testing2652660.085
2011-05-07wavelet3000Manual testing2662670.170
2011-05-07wavelet3000Manual testing2672680.339
2012-01-03wavelet3000Manual testing2682690.679
2012-01-03wavelet3000Manual testing2692701.357
2013-06-26ManpowreManual testing2702712.714
2014-02-04CSLatDDikenny-242712725.429
2017-06-29Matthias WurtingerManual testing27227310.86
2017-07-03Tim SorberaManual testing27327421.72
2018-06-23tServoManual testing27427543.43
2018-06-23tServoManual testing27527686.86


ECM factoring results:
No ECM results for M88096427


Lucas-Lehmer results:
No L-L results for M88096427


PRP results:
No PRP results for M88096427


CERT results:
No CERT results for M88096427


P-1 factor-bounds graph:
B1 = 710000 (P-1 stage 1)
101
102
103
104
105
106
101
102
103
104
105
106
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-03T02:29:32+00:00