is 2 99642269 - 1
has 29995312 decimal digits
takes 380.025 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
Actual277307.180564.9351 %775000153062508.66413.3183 %315.844666.0986 %
Target276153.589464.4737 %65000011000000036.54143.8387 %190.130865.8374 %
Difference+1+153.5912+0.4614 %+125000-94693750-27.8774-0.5204 %+125.7138+0.2612 %

Known prime factors (1 factor, 81.1 bits, 0.00008135% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9964226925237405695747661701232072581.06212664005922901887
857 × 1523 × 10891 × 890887
2020-07-15108918908879,518.10.32540.5013

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-07-15tscManual testing775000153062501222581.0629.973.656%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-10-101997rj7Manual testing2642650.037
2012-09-16Jimmy BrüggemanniMac22652660.075
2013-08-16america64Manual testing2662670.150
2013-08-18PascalBieriManual testing2672680.300
2013-08-28processinfoManual testing2682690.600
2014-03-17Earle LoweManual testing2692701.200
2014-03-21ANONYMOUSelysie2702712.400
2017-02-10monstManual testing2712724.800
2019-03-31Niels_Mache_NextcloudManual testing2722739.60
2019-12-16bayanneManual testing27327419.20
2020-05-11TheJudgerManual testing274277268.8


ECM factoring results:
No ECM results for M99642269


Lucas-Lehmer results:
No L-L results for M99642269


PRP results:
No PRP results for M99642269


CERT results:
No CERT results for M99642269


P-1 factor-bounds graph:
B1 = 775000, B2 = 15306250 (P-1 stage 2)
B1 = 775000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
277
274
273
272
271
270
269
268
267
266
265
this exponent TF target: 76
TF double-checked to: 67
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JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00