is 2 1081163 - 1
has 325463 decimal digits
takes 0.032 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
Actual26727.483368.6567 %----27.483368.6567 %
Target2600.142165.0000 %45001000000.00040.6528 %0.142565.2285 %
Difference+7+27.3412+3.6567 %-4500-100000-0.0004-0.6528 %+27.3408+3.4282 %

Known prime factors (5 factors, 336.4 bits, 0.03111202% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1081163875742031929.706405
34 × 5
-81817.195e-113.481e-67.085e-6
108116318251105939960768079112270.628844049691857785
5 × 72 × 19 × 211 × 859341677
2017-11-10211859341677299.762.01213.7581
108116395207137506491537138472273.0124402996472617521
3 × 17 × 163 × 277 × 1912100821
2017-04-0727719121008212,834.34.47718.3620
108116318247860108289374945075832580.594843899583517442557
7 × 2221 × 54280541809831
2017-10-17222154280541809831443,017127,096237,381
108116365225905478200902762316872582.4323016469555386232361
3 × 13 × 77345373215031599
2017-11-1013773453732150315991,063,007181,102,043338,248,183

26 Composite Factors:
P-1 results:
No P-1 results for M1081163


Trial Factoring results:
5758596061626364656667
No TF results for M1081163


ECM factoring results:
Total ECM effort:18.732 GHz-days
Estimated T-Level:25.687
DigitsB1CompleteFacMiss
201100015.2080.000%
25500001.66718.888%
302500000.13787.162%
3510000000.00999.076%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002257.901
500005000000270.948
50000500000070.246
50000500000030.105
500005000000190.667
25000035000000448.864


Lucas-Lehmer results:
No L-L results for M1081163


PRP results:
dateuseridcompidcofactorsres64
2017-09-28Oliver KruseGTX-3
875742031
9520713750649153713847
9AE57DFC88198875
2017-10-16Oliver KruseThreadripper-PC
875742031
9520713750649153713847
9AE57DFC88198875
2017-10-17Oliver KruseGTX-3
875742031
9520713750649153713847
1824786010828937494507583
D42136F5B425E814
2017-10-17Oliver KruseThreadripper-PC
875742031
9520713750649153713847
1824786010828937494507583
1166BE57CAFFFE4A
2017-10-17Oliver KruseThreadripper-PC
875742031
9520713750649153713847
1824786010828937494507583
1166BE57CAFFFE4A
2017-10-18Yaroslav BerezhkoManual testing
875742031
9520713750649153713847
1824786010828937494507583
1166BE57CAFFFE4A
2017-11-04kkmrkkblmbrbkc4.xlarge
875742031
9520713750649153713847
1824786010828937494507583
D42136F5B425E814
2017-11-10kkmrkkblmbrbkc4.xlarge
875742031
1825110593996076807911
9520713750649153713847
1824786010828937494507583
6522590547820090276231687
D42136F5B425E814
2017-12-10ATHxps
875742031
1825110593996076807911
9520713750649153713847
1824786010828937494507583
6522590547820090276231687
D42136F5B425E814


CERT results:
No CERT results for M1081163


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
TF factor-bounds graph:
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.69 ~= 69-bit
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00