is 2 105596663 - 1
has 31787764 decimal digits
takes 433.093 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
Actual276144.928864.4737 %8930005158000021.73384.6929 %166.662566.1409 %
Target276144.928864.4737 %70000012000000042.81733.9684 %187.746065.8835 %
Difference---+193000-68420000-21.0835+0.7245%-21.0835+0.2574 %

Known prime factors (1 factor, 90.6 bits, 0.00008583% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10559666319232213969060012624810933692890.6369106449684428007268
22 × 7 × 157 × 607 × 280411 × 12170479
2021-08-18280411121704793,468,2685.52017.3651

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-08-18Ben Deloi-0aaacb8f4593cb2a18930005158000022890.63621.104.693%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-21ANONYMOUSback1132632640.019
2010-09-01oodairacom22642650.035
2012-05-12sasaki32652660.071
2014-06-17Travis Glenn RussoManual testing2662670.142
2014-06-20Travis Glenn RussoManual testing2672680.283
2014-10-21SMoffatManual testing2682690.566
2014-10-24SMoffatManual testing2692701.132
2014-10-30SMoffatManual testing2702712.265
2015-01-04shaugeManual testing2712724.529
2020-02-27el groccoManual testing2722739.058
2020-04-06SRBaseManual testing27327418.12
2021-04-08Hans LoeblichManual testing274276108.7


ECM factoring results:
No ECM results for M105596663


Lucas-Lehmer results:
No L-L results for M105596663


PRP results:
No PRP results for M105596663


CERT results:
No CERT results for M105596663


P-1 factor-bounds graph:
B1 = 893000, B2 = 51580000 (P-1 stage 2)
B1 = 893000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
276
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00