is 2 57309667 - 1
has 17251929 decimal digits
takes 121.465 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LAA57E57054D9BA59double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27466.757864.8649%565000111587503.51013.7428%70.267966.1799%1.3151%
PrimeNet2692.083262.3188%260000110000002.59735.5327%4.680564.4036%2.0848%
GPU7227333.377364.3836%400000130000003.33904.0712%36.716365.8336%1.4500%
Difference+1+33.3804+0.4813%+165000-1841250+0.1712-0.3284%+33.5516+0.3463%+0.3463%

Known prime factors:
No known factors for M57309667

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-07-06T03:09:00tschp840056500011158750---3.510--3.743%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.09375e-5--
2000-03-08T00:00:00ANONYMOUSv4_computers21254--4.18751e-5--
2000-06-28T00:00:00ANONYMOUSv4_computers21256--0.000--
2000-06-29T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-09-22T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-11-02T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-08-25T00:00:00Team Prime Ribv4_computers21260--0.003--
2016-02-23T17:05:18Mark RoseManual testing260263--0.025--
2008-09-27T14:13:00Sturle Sundeantonov.ifi263264--0.034--
2008-09-28T00:20:00Sturle Sundeantonov.ifi264265--0.065--
2008-09-28T12:09:00Sturle Sundeletov.ifi265266--0.130--
2008-09-29T16:18:00Sturle Sundeaerocar.ifi266267--0.261--
2009-05-27T15:47:00ClknGo Softwarecngws2267268--0.522--
2011-06-21T16:33:00ChuckManual testing268269--1.043--
2011-06-21T16:33:00ChuckManual testing269270--2.086--
2011-09-22T14:51:00Zet_kormeganet_i5270271--4.173--
2012-05-30T05:45:00Jerry HallettManual testing271272--8.345--
2012-08-05T11:45:00Jerry HallettManual testing272273--16.69--
2019-02-03T18:24:37TheJudgerManual testing273274--33.38--


ECM factoring results:
No ECM results for M57309667


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2012-11-23T02:13:00Stephan Grupp3e46AA57E57054D9BA59121.5
2021-05-21T04:18:45Alan WagstaffhomeAA57E57054D9BA59121.5


PRP results:
No PRP results for M57309667


P-1 factor-bounds graph:
B1 = 565000, B2 = 11158750 (P-1 stage 2)
B1 = 565000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-05-21T04:18:45+00:00