is 2 95245937 - 1
has 28671885 decimal digits
takes 345.002 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
Actual27320.083263.0137 %9350002267375011.13155.3032 %31.214764.9752 %
Target27580.338464.0000 %65000011000000034.70514.2018 %115.043565.5127 %
Difference-2-60.2552-0.9863 %+285000-87326250-23.5736+1.1014%-83.8288-0.5375 %

Known prime factors (1 factor, 76.5 bits, 0.00008033% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
952459371077881973768762229247772476.513565841445692724
22 × 34 × 110501 × 15804601
2019-08-3111050115804601272.115.07138.4469

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-08-31Ryan PropperManual testing93500022673750622476.51311.134.413%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-06Architects Cubedm1_102642650.039
2014-02-15Carsten KossendeyManual testing2652680.549
2014-04-17ANONYMOUS2682701.883
2014-09-23shaugeManual testing2702712.511
2018-12-06Andrew BManual testing2712725.021
2019-04-15Niels_Mache_NextcloudManual testing27227310.04


ECM factoring results:
No ECM results for M95245937


Lucas-Lehmer results:
No L-L results for M95245937


PRP results:
No PRP results for M95245937


CERT results:
No CERT results for M95245937


P-1 factor-bounds graph:
B1 = 935000, B2 = 22673750 (P-1 stage 2)
B1 = 935000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
273
272
271
270
268
265
this exponent TF target: 75
TF double-checked to: 67
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280
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Last modified: 2024-03-13T02:15:48+00:00