is 2 699427 - 1
has 210549 decimal digits
takes 0.014 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
Actual26742.483270.1493 %1000000300000000.07475.5568 %42.557971.8080 %
Target2440.000054.5455 %1200022500000.003916.4985 %0.003962.0448 %
Difference+23+42.4832+15.6038 %+988000+27750000+0.0708-10.9417 %+42.5541+9.7632 %

Known prime factors (4 factors, 213.1 bits, 0.03047362% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69942711190833823.4168
23
-881.601e-122.317e-74.715e-7
6994279170178220517771549.704655549344
25 × 32 × 73 × 31181
2014-05-0873311810.00025.120e-59.189e-5
699427599372947171416952792065.70042847427048957
42847427048957
2015-09-2414284742704895711.30367,605126,267
699427235948401767893930914492374.32116867264329793812
22 × 3 × 11 × 17 × 347 × 1093 × 2657 × 7459
2014-10-212657745910,3158.452e-50.0002

11 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-10-21alpertronManual testing1000000300000001222374.3210.07531.772%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2014-05-08TJAOIManual testing??
49.704
15


ECM factoring results:
Total ECM effort:11.299 GHz-days
Estimated T-Level:25.658
DigitsB1CompleteFacMiss
201100014.8080.000%
25500001.62019.795%
302500000.13287.678%
3510000000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
10.023
5000050000002816.315
25000025000000444.962


Lucas-Lehmer results:
No L-L results for M699427


PRP results:
dateuseridcompidcofactorsres64
2017-09-27Oliver KruseGTX-3
11190833
917017822051777
23594840176789393091449
59937294717141695279
8BBF2E0460D29597
2017-09-28Oliver KruseManual testing
11190833
917017822051777
23594840176789393091449
59937294717141695279
8BBF2E0460D29597
2017-09-30alpertronManual testing
11190833
23594840176789393091449
59937294717141695279
917017822051777
8BBF2E0460D29597
2017-12-08ATHxps
11190833
917017822051777
59937294717141695279
23594840176789393091449
8BBF2E0460D29597
2020-04-20Oliver KruseAddPrpType5
11190833
917017822051777
59937294717141695279
23594840176789393091449
7D708310115FACD8


CERT results:
No CERT results for M699427


P-1 factor-bounds graph:
B1 = 1000000, B2 = 30000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67
ECM T-Level=25.66 ~= 69-bit
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00