is 2 3510883 - 1
has 1056882 decimal digits
takes 0.369 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
Actual26816.977267.6471 %10000002355935402.09888.3232 %19.075970.3398 %
Target2641.013865.6250 %2000018000000.01781.9165 %1.031666.2838 %
Difference+4+15.9634+2.0221 %+980000+233793540+2.0809+6.4067%+18.0443+4.0560 %

Known prime factors (3 factors, 154.6 bits, 0.00440214% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
351088335108831825.0655
5
-151.275e-121.855e-73.099e-7
3510883721837544811136.07110280
23 × 5 × 257
2008-09-0782573.194e-93.284e-64.004e-6
3510883132274793595441066458245910392993.4181883782421622154119893
61 × 617 × 2081 × 2141 × 46691 × 240599
2019-12-1246691240599845,031,3590.00870.0145

4 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-12-12JossManual testing10000030000022993.4180.0172.415%
2020-08-03JossManual testing351088351088
skipped known factor: 35108831
skipped known factor: 72183754481
skipped known factor: 13227479359544106645824591039
---2.695%
2020-08-04JossManual testing35108835108836
skipped known factor: 35108831
skipped known factor: 72183754481
skipped known factor: 13227479359544106645824591039
---5.300%
2022-03-26JossManual testing1000000147585900
skipped known factor: 35108831
skipped known factor: 72183754481
skipped known factor: 13227479359544106645824591039
--1.62510.852%
2022-09-09JossManual testing1000000235593540
skipped known factor: 35108831
skipped known factor: 72183754481
skipped known factor: 13227479359544106645824591039
--2.19711.495%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-09-07Will EdgingtonManual testing??
36.071
11
2022-01-31JossManual testing267268


ECM factoring results:
Total ECM effort:0.442 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.442


Lucas-Lehmer results:
No L-L results for M3510883


PRP results:
dateuseridcompidcofactorsres64
2017-11-08Oliver KruseGTX-2
35108831
72183754481
A73D60233664EE35
2017-12-17kkmrkkblmbrbkc4.xlarge
35108831
72183754481
A73D60233664EE35
2019-12-13mnd975211corner
35108831
72183754481
13227479359544106645824591039
A73D60233664EE35
2019-12-15ANONYMOUSobFIV_MkQmyMzMWzFMY2
35108831
72183754481
13227479359544106645824591039
A73D60233664EE35


CERT results:
No CERT results for M3510883


P-1 factor-bounds graph:
B1 = 1000000, B2 = 235593540 (P-1 stage 2)
B1 = 1000000, B2 = 147585900 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 351088, B2 = 3510883 (P-1 stage 2)
B1 = 351088 (P-1 stage 1)
B1 = 100000, B2 = 300000 (P-1 stage 2)
B1 = 100000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
this exponent TF target: 64
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00