is 2 107761799 - 1
has 32439534 decimal digits
takes 441.973 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
Actual277284.035464.9351 %10000003000000015.34333.9485 %299.378766.3196 %
Target276142.016964.4737 %70000012000000042.81733.9782 %184.834165.8870 %
Difference+1+142.0185+0.4614 %+300000-90000000-27.4740-0.0297 %+114.5445+0.4326 %

Known prime factors (1 factor, 85.1 bits, 0.00007899% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
107761799421755528205102126993259292685.125195688793301001836
22 × 3 × 11 × 31 × 67 × 668963 × 1066973
2020-11-206689631066973110,1094.10738.0966

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-11-20Ernst W. MayerManual testing10000003000000022685.12516.424.333%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-25sasaki3value2632640.018
2010-09-08hustensaftaa2642650.035
2012-05-19omiXorpLLB03-z800-062652660.069
2013-09-20shengManual testing2662670.139
2014-10-29SWL551Manual testing2672701.942
2014-11-17g0bManual testing2702712.219
2019-01-23Niels_Mache_NextcloudManual testing2712724.438
2020-02-13Niels_Mache_NextcloudManual testing27227426.63
2020-04-26TheJudgerManual testing274277248.5


ECM factoring results:
No ECM results for M107761799


Lucas-Lehmer results:
No L-L results for M107761799


PRP results:
No PRP results for M107761799


CERT results:
No CERT results for M107761799


P-1 factor-bounds graph:
B1 = 1000000, B2 = 30000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
274
272
271
270
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00