is 2 10979 - 1
has 3306 decimal digits
takes 0.000 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
Actual2672,706.432179.1045 %1000000000001221925735127097001,265,661.497940.4365 %1,268,367.929987.5539 %
Target2440.000268.1818 %500500000.00001.3005 %0.000268.5956 %
Difference+23+2,706.4318+10.9227 %+99999999500+122192573512659700+1,265,661.4979+39.1360%+1,268,367.9297+18.9583 %

Known prime factors (5 factors, 233.9 bits, 2.13025706% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1097987833516.4224
22
2009-07-31447.959e-137.604e-101.548e-9
10979270610393928.01212324
22 × 3 × 13 × 79
2008-08-2613795.431e-93.155e-95.030e-9
10979109491048856571443.316498638532
22 × 3 × 7 × 263 × 22571
2008-08-26263225710.00022.811e-74.367e-7
109794228094272175991548.58719255370581
62501 × 308081
2008-08-26625013080810.00391.443e-52.418e-5
109792310190062980398693565965641613097.54410520949371438194250687520
25 × 3 × 5 × 431 × 624517307 × 81431408147
2008-10-16624517307814314081473.417e+120.95571.5753

26 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2008-08-26ANONYMOUSManual testing1443.316-0.000%
2008-08-26ANONYMOUSManual testing1548.5870.0050.000%
2009-07-31ANONYMOUSv4_computers2787.750-0.000%
2016-09-07kkmrkkblmbrbkManual testing1000000001000000000012
skipped known factor: 87833
skipped known factor: 270610393
skipped known factor: 10949104885657
skipped known factor: 422809427217599
---41.460%
2021-08-27Seth_TrManual testing400000000400000000
skipped known factor: 87833
skipped known factor: 270610393
skipped known factor: 10949104885657
skipped known factor: 422809427217599
--0.07630.359%
2022-12-29ANONYMOUST5810100000000000122192573512709700
skipped known factor: 87833
skipped known factor: 270610393
skipped known factor: 10949104885657
skipped known factor: 422809427217599
skipped known factor: 231019006298039869356596564161
--500,00079.066%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-08-26ANONYMOUSManual testing??
28.012
9


ECM factoring results:
Total ECM effort:1,925.943 GHz-days
Estimated T-Level:41.378
DigitsB1CompleteFacMiss
20110001,383.3090.000%
2550000367.1730.000%
3025000078.3780.000%
35100000013.8270.000%
4030000002.07312.580%
45110000000.27675.910%
50440000000.03396.773%
551100000000.00499.648%


ECM Summary

B1B2factorcurvesGHz-days
10.000
5000050000005310.066
3500003500000030.003
9500009500000020.005
10000001000000001,3653.400
30000003000000004,17436.99
110000002324855633106001,885


Lucas-Lehmer results:
No L-L results for M10979


PRP results:
dateuseridcompidcofactorsres64
2017-09-21Oliver KruseOliver-PC
87833
270610393
10949104885657
422809427217599
231019006298039869356596564161
4C98AB8E88E6D643
2017-10-02kkmrkkblmbrbkManual testing
87833
270610393
10949104885657
422809427217599
231019006298039869356596564161
4C98AB8E88E6D643
2017-10-12kkmrkkblmbrbkManual testing
87833
270610393
10949104885657
422809427217599
231019006298039869356596564161
4C98AB8E88E6D643
2020-04-17Oliver KruseManual testing
87833
270610393
10949104885657
422809427217599
231019006298039869356596564161
5C4EB6E7584A1102


CERT results:
No CERT results for M10979


P-1 factor-bounds graph:
B1 = 100000000000, B2 = 122192573512709700 (P-1 stage 2)
B1 = 100000000000 (P-1 stage 1)
B1 = 100000000, B2 = 10000000000 (P-1 stage 2)
B1 = 400000000 (P-1 stage 1)
B1 = 100000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
109
1010
1011
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
1018
TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67
ECM T-Level=41.38 ~= 121-bit
250
260
270
280
290
2100
2110
2120
2130
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Last modified: 2024-03-13T02:15:48+00:00