is 2 5384003 - 1
has 1620747 decimal digits
takes 0.850 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LA0FEEAAE729525B9double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27188.796167.6056%400000010285831710129.186112.0850%217.982171.5205%3.9149%
PrimeNet2620.114162.9032%220005500000.01163.0906%0.125764.0497%1.1465%
GPU722662.743065.1515%320006500000.01502.0744%2.758165.8744%0.7229%
Difference+5+86.0530+2.4541%+3968000+10285181710+129.1710+10.0106%+215.2241+5.6461%+3.1920%

Known prime factors:
No known factors for M5384003

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-08-22T12:14:00Carsten Kossendeyleela25000350000---0.010--0.796%
2010-10-09T15:17:00Squeeky_SquirrelP4_260060000960000---0.025--1.388%
2019-07-07T23:01:26Ivan MGAMERSDREAM8500012112506---0.034--1.608%
2019-12-11T10:49:53KingHiatus10000002250000012---0.497--4.604%
2022-09-19T04:33:43Sid & AndyMagic_8_Ball400000010285831710---129.2--12.085%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-03-17T00:00:00Sturle Sundev4_computers21261--0.057--
1998-06-01T00:00:00ANONYMOUSv4_computers21262--0.114--
2009-05-19T02:47:00GrunwalderGIMPManual testing262263--0.182--
2014-12-25T15:33:00VictordeHollanderManual testing263264--0.365--
2014-12-25T15:33:00VictordeHollanderManual testing264265--0.694--
2015-08-20T03:44:00snme2pm1Manual testing265266--1.388--
2016-08-12T12:04:26Gordon SpenceManual testing266267--2.776--
2018-06-19T09:09:19ramgeisManual testing267268--5.552--
2020-08-31T09:54:49TJAOIManual testing268269--11.10--
2021-12-15T09:53:01YxinityManual testing269270--22.21--
2022-02-27T07:25:17mikrManual testing270271--44.41--


ECM factoring results:
Total ECM effort:2.161 GHz-days
Estimated T-Level:1.731
DigitsB1CompleteFacMiss
20110000.34670.740%
25500000.03296.848%
302500000.00299.798%


ECM Summary

B1B2factorcurvesGHz-days
50000500000092.161


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-07-21T00:00:00ANONYMOUSv4_computersA0FEEAAE729525B90.850
2000-08-10T00:00:00ANONYMOUSv4_computersA0FEEAAE729525B90.850


PRP results:
No PRP results for M5384003


P-1 factor-bounds graph:
B1 = 4000000, B2 = 10285831710 (P-1 stage 2)
B1 = 4000000 (P-1 stage 1)
B1 = 1000000, B2 = 22500000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 85000, B2 = 1211250 (P-1 stage 2)
B1 = 60000, B2 = 960000 (P-1 stage 2)
B1 = 85000 (P-1 stage 1)
B1 = 60000 (P-1 stage 1)
B1 = 25000, B2 = 350000 (P-1 stage 2)
B1 = 25000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-09-19T04:33:43+00:00