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-daysProbability
Actual275146.205565.3333%625000184375004.43193.7580%150.637466.6361%
Target27336.548864.3836%3600008800000014.26383.8396%50.812665.7511%
Difference+2+109.6567+0.9498%+265000-69562500-9.8318-0.0815%+99.8248+0.8850%

Known prime factors:
No known factors for M52336667

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


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-01ANONYMOUSv4_computers21253--2.29270e-5--
2000-01-04ANONYMOUSv4_computers21253--2.29270e-5--
2000-02-23ANONYMOUSv4_computers21254--4.58540e-5--
2000-05-05ANONYMOUSv4_computers21256--0.000--
2001-06-17ANONYMOUSv4_computers21257--0.000--
2002-04-20ANONYMOUSv4_computers21258--0.001--
2003-11-171997rj7v4_computers21259--0.001--
2004-02-231997rj7v4_computers21260--0.003--
2007-05-12ANONYMOUSv4_computers21263--0.030--
2008-10-23DerekManual testing21264--0.068--
2008-12-13KYOJI_KAMEI2264265--0.071--
2008-12-15KYOJI_KAMEI2265266--0.143--
2009-04-27ANONYMOUSC977D69A1266267--0.286--
2009-07-12Will Edgingtonganymede267268--0.571--
2010-09-14drewha - BelarusANYA268269--1.142--
2012-01-03XyzzyManual testing269270--2.285--
2012-01-03XyzzyManual testing270271--4.569--
2012-01-03XyzzyManual testing271272--9.138--
2013-05-22Nathan EdingtonManual testing272273--18.28--
2013-05-22Nathan EdingtonManual testing273274--36.55--
2013-05-22Nathan EdingtonManual testing274275--73.10--


ECM factoring results:
No ECM results for M52336667


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2014-05-09Lars LindleyPappa268DD300EED9BE693100.3
2019-05-25Daniel 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)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
264
263
260
259
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67.8
250
260
270
280
Last modified: 2023-06-05T21:50:05+00:00