is 2 30689 - 1
has 9239 decimal digits
takes 0.000 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actualunknown20000000050000000000.368648.8693%0.368648.8693%48.8693%
PrimeNet2400.000062.5000%500100000.00004.1273%0.000064.0477%1.5477%
GPU722440.000165.9091%500100000.00001.7704%0.000166.5126%0.6035%
Difference-44-0.0001-65.9091%+199999500+4999990000+0.3686+47.0990%+0.3685-17.6433%-17.6433%

Known prime factors (3 factors, 219.9 bits, 0.71662552% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
306892948295860508711548.0674803505915
5 × 13 × 29 × 2548279
-2925482790.00230.00010.0002
306893038325204744218071912168.0424950186067881355
5 × 7 × 337 × 619 × 678005051
2009-03-306196780050513,432.70.02950.0551
306891785988277527881806414002183298332103.816290981830220580958391280619
31 × 9386510652276805109396149
2017-07-263193865106522768051093961495.143e+124.085e+147.629e+14

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
306898957881624026656915254866467961336135116.109
30689526562184555253506108093283679020608570367819346151.883
3068954264131989906748575163738712620493164339912303807
53
52171.858
3068915998671571994033519480161173621227526807883415571
01597238957285863
67219.925
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-06T09:36:59kkmrkkblmbrbkManual testing200000000500000000012-
skipped known factor: 294829586050871
skipped known factor: 303832520474421807191
--0.369--41.218%


Trial Factoring results:
No TF results for M30689


ECM factoring results:

Old Calculation Method

Total ECM effort:20.197 GHz-days
Estimated T-Level:31.706
DigitsB1CurvesCompleteFacMiss
20110001367 / 10013.6700.000%
25500001367 / 2804.8820.751%
302500001124 / 6401.75617.245%
351000000539 / 15800.34171.088%
403000000528 / 47000.11289.373%

New Calculation Method

Total ECM effort:20.197 GHz-days
Estimated T-Level:31.706
DigitsB1CompleteFacMiss
2011000163.7600.000%
255000033.2140.000%
302500005.7420.321%
3510000000.83543.371%
4030000000.10490.163%
45110000000.01198.888%
50440000000.00199.893%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000002430.140
250000250000005851.681
1000000100000000110.126
300000030000000049817.17
300000030000000020.069
3000000339000000140.503
300000034583132770.253
300000034800000070.254


Lucas-Lehmer results:
No L-L results for M30689


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T19:40:53Oliver KrusePRP
294829586050871
303832520474421807191
17859882775278818064140021832983
4B5DD57126C4D236no
2017-09-21T20:27:22Oliver KruseManual testing
294829586050871
303832520474421807191
17859882775278818064140021832983
4B5DD57126C4D236no
2017-10-02T10:35:42kkmrkkblmbrbkManual testing
294829586050871
303832520474421807191
17859882775278818064140021832983
4B5DD57126C4D2__no
2017-12-07T03:12:40ATHxps
294829586050871
303832520474421807191
17859882775278818064140021832983
4B5DD57126C4D2__no
2020-04-17T13:47:27Oliver KruseManual testing
294829586050871
303832520474421807191
17859882775278818064140021832983
A0B58789770076__no


P-1 factor-bounds graph:
B1 = 200000000, B2 = 5000000000 (P-1 stage 2)
B1 = 200000000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-05-15T05:21:14+00:00