is 2 95793977 - 1
has 28836861 decimal digits
takes 346.987 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
Actual27319.968363.0137 %9400002279500011.19105.3147 %31.159364.9794 %
Target27579.878864.0000 %65000011000000034.70514.2047 %114.583965.5137 %
Difference-2-59.9105-0.9863 %+290000-87205000-23.5140+1.1100%-83.4245-0.5343 %

Known prime factors (1 factor, 79.4 bits, 0.00008285% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
957939777803423239618202100742172479.3684073023943675604
22 × 33 × 67 × 123007 × 4576027
2019-09-0512300745760271,915.51.92032.4457

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-09-05Ryan PropperManual testing94000022795000622479.36811.194.423%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-17Architects Cubedm1_822642650.039
2014-02-26Carsten KossendeyManual testing2652680.546
2014-05-16OS1corner32682690.624
2014-07-21SMoffatManual testing2692701.248
2015-08-01monstManual testing2702712.496
2018-12-11Andrew LuebkeManual testing2712724.993
2019-03-20Niels_Mache_NextcloudManual testing2722739.99


ECM factoring results:
No ECM results for M95793977


Lucas-Lehmer results:
No L-L results for M95793977


PRP results:
No PRP results for M95793977


CERT results:
No CERT results for M95793977


P-1 factor-bounds graph:
B1 = 940000, B2 = 22795000 (P-1 stage 2)
B1 = 940000 (P-1 stage 1)
104
105
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104
105
106
107
108
TF factor-bounds graph:
273
272
271
270
269
268
265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00