is 2 96279977 - 1
has 28983162 decimal digits
takes 348.747 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
Actual27319.867563.0137 %9400009400004.93712.3181 %24.804663.8711 %
Target27579.475664.0000 %65000011000000034.70514.2073 %114.180665.5146 %
Difference-2-59.6081-0.9863 %+290000-109060000-29.7680-1.8892 %-89.3760-1.6435 %

Known prime factors (1 factor, 80.6 bits, 0.00008374% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9627997718632983398883031517234412580.6249676458168910360
23 × 5 × 23 × 6833 × 26321 × 58481
2019-09-1826321584812,829.50.14740.2813

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-09-18Ryan PropperManual testing94000094000012580.6244.9371.861%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-18Architects Cubedm1_622642650.039
2014-03-06Carsten KossendeyManual testing2652670.233
2014-03-28Carsten KossendeyManual testing2672680.310
2014-06-11g0bManual testing2682690.621
2014-06-12timc995s_168131_20_492222692701.242
2014-09-26shaugeManual testing2702712.484
2018-12-31Andrew LuebkeManual testing2712724.967
2019-04-15Niels_Mache_NextcloudManual testing2722739.93


ECM factoring results:
No ECM results for M96279977


Lucas-Lehmer results:
No L-L results for M96279977


PRP results:
No PRP results for M96279977


CERT results:
No CERT results for M96279977


P-1 factor-bounds graph:
B1 = 940000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
273
272
271
270
269
268
267
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
290
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00