is 2 30941 - 1
has 9315 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
Actualunknown20000000050000000000.368648.8833%0.368648.8833%48.8833%
PrimeNet2400.000062.5000%500100000.00004.1359%0.000064.0510%1.5510%
GPU722440.000165.9091%500100000.00001.7746%0.000166.5141%0.6050%
Difference-44-0.0001-65.9091%+199999500+4999990000+0.3686+47.1087%+0.3685-17.6308%-17.6308%

Known prime factors (3 factors, 221.8 bits, 0.71676656% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
30941298812707511134.799482875
53 × 3863
-12538631.123e-72.625e-73.139e-7
309413599674728933253700870892478.2525816998042941814584
23 × 3 × 97 × 344797 × 7246903249
2010-04-2234479772469032492,476,9700.31560.5890
3094153602798195272088580114753542191133108.7248662098541623103419429681255
3 × 5 × 7 × 157 × 25643 × 20491102993277041681
2017-06-2925643204911029932770416814.291e+12891,687,4231.665e+9

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
309411075628551907870872430958285843383935113.051
309411601719725884139446975664105243848560882516144143.523
3094119295263806362995613838962176017413380789488789442
8807079
57186.976
3094157656700200990350852454747129442444812206097665222
19488821544446329
67221.775
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-06T09:37:00kkmrkkblmbrbkManual testing200000000500000000012-
skipped known factor: 29881270751
--0.369--41.233%


Trial Factoring results:
No TF results for M30941


ECM factoring results:

Old Calculation Method

Total ECM effort:19.179 GHz-days
Estimated T-Level:34.782
DigitsB1CurvesCompleteFacMiss
20110002326 / 10023.2600.000%
25500002326 / 2808.3070.024%
302500002096 / 6403.2753.772%
3510000001511 / 15800.95638.418%

New Calculation Method

Total ECM effort:19.179 GHz-days
Estimated T-Level:34.782
DigitsB1CompleteFacMiss
2011000272.0260.000%
255000050.8900.000%
302500007.5180.054%
3510000000.88841.159%
4030000000.08691.742%
45110000000.00799.282%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000002300.132
250000250000005851.681
10000001000000006978.011
10000001000000008149.355


Lucas-Lehmer results:
No L-L results for M30941


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T19:41:12Oliver KruseOllaptopD5B48219101902__?
2017-09-21T21:38:48Oliver KruseManual testingD5B48219101902__?
2017-10-02T10:35:42kkmrkkblmbrbkManual testing
29881270751
359967472893325370087089
536027981952720885801147535421911
D5B48219101902__no
2017-12-07T03:12:44ATHxps
29881270751
359967472893325370087089
536027981952720885801147535421911
D5B48219101902__no
2020-04-17T13:47:31Oliver KruseManual testing
29881270751
359967472893325370087089
536027981952720885801147535421911
0DB4E5F2E0DAF9__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: 2020-04-17T13:47:31+00:00