is 2 107612767 - 1
has 32394671 decimal digits
takes 441.362 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
Actual276142.213664.4737 %9550009550005.67941.7022 %147.893065.0784 %
Target276142.213664.4737 %70000012000000042.81733.9775 %185.030865.8867 %
Difference---+255000-119045000-37.1379-2.2753 %-37.1379-0.8083 %

Known prime factors (1 factor, 90.5 bits, 0.00008406% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10761276717063195502510024306663581532890.4637928053509910224828
22 × 3 × 137 × 21121 × 260983 × 874859
2021-07-042609838748593,292,3361.75103.1587

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-07-04One ManManual testing955000955000212890.4636.3951.702%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-25argusdustycanning2632640.018
2010-09-09oilwarzonedotcomdevelopmentmachine2642650.035
2012-05-19omiXorpLLB03-z800-242652660.069
2015-04-26Mihai PredaManual testing2662670.139
2015-05-04Mihai PredaManual testing2672680.278
2015-05-10Mihai PredaManual testing2682690.556
2015-06-11SMoffatManual testing2692701.111
2015-07-08SMoffatManual testing2702712.222
2019-01-25Niels_Mache_NextcloudManual testing2712724.444
2020-03-02el groccoManual testing2722738.888
2020-03-04Niels_Mache_NextcloudManual testing27227417.78
2021-04-16TheJudgerManual testing274276106.7


ECM factoring results:
No ECM results for M107612767


Lucas-Lehmer results:
No L-L results for M107612767


PRP results:
No PRP results for M107612767


CERT results:
No CERT results for M107612767


P-1 factor-bounds graph:
B1 = 955000 (P-1 stage 1)
104
105
106
104
105
106
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
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00