is 2 52336667 - 1
has 15754907 decimal digits
takes 100.263 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L68DD300EED9BE693double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275146.205565.3333%625000184375004.43193.7580%150.637466.6361%1.3028%
PrimeNet2692.281162.3188%22000090000001.93995.1615%4.221064.2637%1.9449%
GPU7227336.548864.3836%360000110000002.61033.8396%39.159165.7511%1.3675%
Difference+2+109.6567+0.9498%+265000+7437500+1.8216-0.0815%+111.4783+0.8850%+0.8850%

Known prime factors:
No known factors for M52336667

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2010-09-07T21:15:00James Heinrichi7-92062500018437500---4.432--3.758%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-01T00:00:00ANONYMOUSv4_computers21253--2.29270e-5--
2000-01-04T00:00:00ANONYMOUSv4_computers21253--2.29270e-5--
2000-02-23T00:00:00ANONYMOUSv4_computers21254--4.58540e-5--
2000-05-05T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-06-17T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-04-20T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-11-17T00:00:001997rj7v4_computers21259--0.001--
2004-02-23T00:00:001997rj7v4_computers21260--0.003--
2007-05-12T00:00:00ANONYMOUSv4_computers21263--0.030--
2008-10-23T00:27:00DerekManual testing21264--0.068--
2008-12-13T08:35:00KYOJI_KAMEI2264265--0.071--
2008-12-15T21:18:00KYOJI_KAMEI2265266--0.143--
2009-04-27T14:11:00ANONYMOUSC977D69A1266267--0.286--
2009-07-12T03:57:00Will Edgingtonganymede267268--0.571--
2010-09-14T19:18:00drewha - BelarusANYA268269--1.142--
2012-01-03T21:50:00XyzzyManual testing269270--2.285--
2012-01-03T21:50:00XyzzyManual testing270271--4.569--
2012-01-03T21:50:00XyzzyManual testing271272--9.138--
2013-05-22T05:41:00Nathan EdingtonManual testing272273--18.28--
2013-05-22T05:41:00Nathan EdingtonManual testing273274--36.55--
2013-05-22T05:41:00Nathan EdingtonManual testing274275--73.10--


ECM factoring results:
No ECM results for M52336667


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2014-05-09T19:10:00Lars LindleyPappa268DD300EED9BE693100.3
2019-05-25T11:23:51Daniel Procopio68DD300EED9BE693100.3


PRP results:
No PRP results for M52336667


P-1 factor-bounds graph:
B1 = 625000, B2 = 18437500 (P-1 stage 2)
B1 = 625000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2019-05-25T11:23:51+00:00