is 2 10883 - 1
has 3277 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
Actual2672,730.305879.1045 %1000000000001221925735127097001,265,661.497940.4254 %1,268,391.803687.5516 %
Target2440.000268.1818 %500500000.00001.2970 %0.000268.5945 %
Difference+23+2,730.3055+10.9227 %+99999999500+122192573512659700+1,265,661.4979+39.1283%+1,268,391.8034+18.9571 %

Known prime factors (3 factors, 71.6 bits, 0.65815930% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1088321767514.4101
1
-112.006e-131.901e-103.869e-10
108837574569722.853348
22 × 3 × 29
2008-08-264295.521e-111.019e-91.548e-9
10883221239418711134.3651016445
3 × 5 × 67763
2008-08-265677632.123e-77.028e-71.311e-6

4 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-09-07kkmrkkblmbrbkManual testing1000000001000000000012
skipped known factor: 21767
skipped known factor: 7574569
skipped known factor: 22123941871
---41.444%
2022-12-29ANONYMOUST5810100000000000122192573512709700
skipped known factor: 21767
skipped known factor: 7574569
skipped known factor: 22123941871
--500,00079.054%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-08-26ANONYMOUSManual testing??
22.853
7
2008-08-26ANONYMOUSManual testing??
34.365
11


ECM factoring results:
Total ECM effort:46.357 GHz-days
Estimated T-Level:40.666
DigitsB1CompleteFacMiss
20110001,256.0100.000%
2550000313.7350.000%
3025000060.4900.000%
3510000009.3850.008%
4030000001.20130.079%
45110000000.13387.527%
50440000000.01398.727%
551100000000.00199.894%


ECM Summary

B1B2factorcurvesGHz-days
5000050000003370.042
2500002500000020.001
3500003500000060.005
4000004000000010.001
9500009500000070.017
10000001000000001,3693.410
30000003000000005,06542.88


Lucas-Lehmer results:
No L-L results for M10883


PRP results:
dateuseridcompidcofactorsres64
2017-09-21Oliver KrusePRP
21767
7574569
22123941871
37AB96FB63F90CEF
2017-09-21Oliver KruseManual testing
21767
7574569
22123941871
37AB96FB63F90CEF
2017-10-12kkmrkkblmbrbkManual testing
21767
7574569
22123941871
37AB96FB63F90CEF
2020-04-17Oliver KruseManual testing
21767
7574569
22123941871
3A5E9BEB0861D178
2022-05-12Jorge CoveiroManual testing
21767
3A5E9BEB0861D178


CERT results:
No CERT results for M10883


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 = 100000000 (P-1 stage 1)
100
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103
104
105
106
107
108
109
1010
1011
100
101
102
103
104
105
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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=40.67 ~= 118-bit
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2100
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2120
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Last modified: 2024-03-13T02:15:48+00:00