is 2 11933807 - 1
has 3592434 decimal digits
takes 4.595 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L13BB3E1E7C750CA8double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27140.060866.1972%61891071856732108.91418.3513%48.974969.0202%2.8230%
PrimeNet2640.298362.5000%5500015000000.07474.1105%0.372964.0414%1.5414%
GPU722684.994664.7059%8000020000000.10312.9386%5.097765.7431%1.0372%
Difference+3+35.0662+1.4913%+6109107+183673210+8.8110+5.4127%+43.8772+3.2771%+3.2771%

Known prime factors:
No known factors for M11933807

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-08-24T00:00:00ANONYMOUSv4_computers115000546250---0.077--1.533%
2016-04-23T01:06:02ThaManual testing30000060000006---0.341--3.345%
2021-07-15T01:57:12LaurVManual testing4316189127521607---6.157--7.697%
2021-08-12T01:26:34LaurVManual testing6189107185673210---8.914--8.351%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-02-16T00:00:00Mark Blankev4_computers21264--0.298--
2013-10-08T07:39:00lycornManual testing264265--0.313--
2013-10-20T06:14:00NesowaManual testing265266--0.626--
2016-03-06T05:39:24YxinityManual testing266267--1.252--
2018-01-01T21:55:35ramgeisManual testing267268--2.505--
2018-01-01T21:55:35ramgeisManual testing268269--5.009--
2021-05-18T11:48:09lycornManual testing269270--10.02--
2021-08-17T05:31:51SRBaseManual testing270271--20.04--


ECM factoring results:

Old Calculation Method

Total ECM effort:1.171 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:1.171 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.06593.752%
25500000.00699.419%


ECM Summary

B1B2factorcurvesGHz-days
50000500000021.171


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-09-30T00:00:00ANONYMOUSv4_computers13BB3E1E7C750CA84.595
2004-05-11T00:00:00ANONYMOUSv4_computers13BB3E1E7C750CA84.595


PRP results:
No PRP results for M11933807


P-1 factor-bounds graph:
B1 = 6189107, B2 = 185673210 (P-1 stage 2)
B1 = 4316189, B2 = 127521607 (P-1 stage 2)
B1 = 6189107 (P-1 stage 1)
B1 = 4316189 (P-1 stage 1)
B1 = 300000, B2 = 6000000 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
B1 = 115000, B2 = 546250 (P-1 stage 2)
B1 = 115000 (P-1 stage 1)
104
105
106
107
104
105
106
107
108
109
TF factor-bounds graph:
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2021-08-17T05:31:51+00:00