is 2 301039 - 1
has 90622 decimal digits
takes 0.002 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
Actual26798.704571.6418 %10000006587182602037.015112.7683 %135.719675.2627 %
Target2440.000056.8182 %55007000000.000411.2491 %0.000561.6757 %
Difference+23+98.7045+14.8236 %+994500+65871126020+37.0146+1.5193%+135.7192+13.5869 %

Known prime factors (3 factors, 211.8 bits, 0.07036886% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
30103953085217271032.3068817
3 × 2939
-329391.901e-91.680e-63.084e-6
301039793064170100037142496990472686.036131721167373668717757
3 × 11 × 97 × 27767 × 516179 × 2871049
2014-09-15516179287104952,057,9430.00660.0108
301039139707351257716630852073504892993.49623204194682037315904596
22 × 3 × 103 × 13063 × 1437159939746647
2017-09-091306314371599397466476.663e+9807,3651,507,932

4 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-02-06Lisander ViaeneManual testing5000050000
skipped known factor: 5308521727
--0.0019.761%
2023-03-13Denial140i5-8400100000065871826020
skipped known factor: 5308521727
skipped known factor: 79306417010003714249699047
--43.7448.850%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-04-24nordisweet1610000000101000000027--0.693
2021-04-30nordisweet1610000000101000000065--0.693


Trial Factoring results:
5758596061626364656667
No TF results for M301039


ECM factoring results:
Total ECM effort:14.124 GHz-days
Estimated T-Level:27.713
DigitsB1CompleteFacMiss
201100039.1010.000%
25500005.3430.478%
302500000.54358.125%
3510000000.04495.732%
4030000000.00399.712%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002802.136
500005000000110.084
250000250000001395.301
2500002500000030.112
250000367500001506.491


Lucas-Lehmer results:
No L-L results for M301039


PRP results:
dateuseridcompidcofactorsres64
2017-09-22Oliver KruseOllaptopFE13E7659A1A50__
2017-10-12Oliver KruseGTX-2
5308521727
79306417010003714249699047
13970735125771663085207350489
FE13E7659A1A5033
2017-12-11ATHxps
5308521727
79306417010003714249699047
13970735125771663085207350489
FE13E7659A1A5033
2020-04-17Oliver KruseAddPrpType5
5308521727
79306417010003714249699047
13970735125771663085207350489
08B05223103DF6F8


CERT results:
No CERT results for M301039


P-1 factor-bounds graph:
B1 = 1000000, B2 = 65871826020 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 50000 (P-1 stage 1)
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TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67
ECM T-Level=27.71 ~= 75-bit
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Last modified: 2024-02-09T03:30:02+00:00