is 2 182339 - 1
has 54890 decimal digits
takes 0.001 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
Actualunknown10000000020000000001.360749.4060%1.360749.4060%49.4060%
PrimeNet2400.000055.0000%2000450000.000012.0537%0.000060.4241%5.4241%
GPU722440.000059.0909%3400700000.00008.3946%0.000162.5251%3.4342%
Difference-440.0000-59.0909%+99996600+1999930000+1.3607+41.0114%+1.3607-13.1191%-13.1191%

Known prime factors (3 factors, 225.6 bits, 0.12370181% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
182339192637506731134.16552824
23 × 3 × 31 × 71
-31711.800e-82.218e-74.218e-7
182339639756972488555301819022667032995.692175430646347889179445709
72 × 83 × 193 × 223498175442031439
2020-10-251932234981754420314394.447e+1081,415,419152,061,329
182339643518277858877959913312456392995.700176462050866484394428321
23 × 803093873 × 9553382660599
2019-11-1880309387395533826605997.316e+103,485.26,499.8

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
182339123241188093328496802139160262014174111940129.857
182339123965756581917612993049398534421456504740129.865
18233941169530518404467341707997303219357681015241902425
83658217
58191.391
18233979307957123100809664003395401937408659428508552111
350979236535730041
68225.557
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-06-04T04:10:22kkmrkkblmbrbkManual testing100000000200000000012-
skipped known factor: 19263750673
--1.361--41.877%


Trial Factoring results:
No TF results for M182339


ECM factoring results:

Old Calculation Method

Total ECM effort:14.794 GHz-days
Estimated T-Level:28.875
DigitsB1CurvesCompleteFacMiss
2011000777 / 1007.7700.041%
2550000777 / 2802.7756.204%
30250000496 / 6400.77546.042%

New Calculation Method

Total ECM effort:14.794 GHz-days
Estimated T-Level:28.875
DigitsB1CompleteFacMiss
201100056.5830.000%
25500008.0950.031%
302500000.84842.834%
3510000000.07093.284%
4030000000.00599.537%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002811.368
2500002500000042410.32
2500002500000030.073
25000025000000130.317
25000031250000140.369
2500003600000070.195
2500003648942770.196
2500003800000070.200
25000038500000140.401
25000055133578571.351


Lucas-Lehmer results:
No L-L results for M182339


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-22T00:53:34Oliver KruseOllaptop
19263750673
5FD38DD66EC659__no
2017-09-22T10:05:07Oliver KruseManual testing
19263750673
5FD38DD66EC659__no
2017-10-12T03:15:58kkmrkkblmbrbkc4.xlarge5FD38DD66EC659__no
2019-11-19T00:13:19oodairacom1
19263750673
64351827785887795991331245639
1BBC6DBBB9EA3222no
2019-11-26T09:35:27noknonLIB-srv
19263750673
64351827785887795991331245639
1BBC6DBBB9EA3222no
2020-10-25T05:09:08mrhp
19263750673
63975697248855530181902266703
64351827785887795991331245639
1BBC6DBBB9EA3222no
2020-10-25T05:52:35Jinyuan WangManual testing
19263750673
63975697248855530181902266703
64351827785887795991331245639
1BBC6DBBB9EA3222no


P-1 factor-bounds graph:
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-07-31T00:59:38+00:00