is 2 96258109 - 1
has 28976579 decimal digits
takes 348.668 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
Actual27319.872063.0137 %9400009400004.93712.3180 %24.809163.8711 %
Target27579.493764.0000 %65000011000000034.70514.2072 %114.198765.5146 %
Difference-2-59.6216-0.9863 %+290000-109060000-29.7680-1.8891 %-89.3896-1.6435 %

Known prime factors (1 factor, 79.2 bits, 0.00008232% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
962581097132461993800436286491532479.2393704862929418464
25 × 11 × 59 × 151 × 3089 × 382457
2019-09-1730893824571,284.00.12480.2044

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-09-17Ryan PropperManual testing94000094000012479.2394.9371.861%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-27Architects Cubedm1_562642650.039
2013-08-04ManpowreManual testing2652702.407
2014-09-26shaugeManual testing2702712.484
2018-12-31Andrew LuebkeManual testing2712724.968
2019-04-16Niels_Mache_NextcloudManual testing2722739.94


ECM factoring results:
No ECM results for M96258109


Lucas-Lehmer results:
No L-L results for M96258109


PRP results:
No PRP results for M96258109


CERT results:
No CERT results for M96258109


P-1 factor-bounds graph:
B1 = 940000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
273
272
271
270
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00