is 2 58652767 - 1
has 17656243 decimal digits
takes 130.299 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27332.613064.3836 %----32.613064.3836 %
Target27332.613064.3836 %4000007000000013.50334.1412 %46.116465.8585 %
Difference----400000-70000000-13.5033-4.1412 %-13.5033-1.4750 %

Known prime factors (1 factor, 89.0 bits, 0.00015182% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
586527676396797453308991710358919532789.0475453107995151355528
23 × 112 × 43 × 3529 × 7949 × 4670207
2012-08-19794946702073,806,8310.84381.5308

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-08-19TheJudgerManual testing2789.0472.9320.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.05000e-5
2000-02-09ANONYMOUSv4_computers212544.09000e-5
2000-06-28ANONYMOUSv4_computers212560.000
2001-07-17ANONYMOUSv4_computers212570.000
2002-10-12ANONYMOUSv4_computers212580.001
2003-07-30ANONYMOUSv4_computers212590.001
2003-11-161997rj7v4_computers212600.001
2022-06-27LordJuliusManual testing260263
2009-01-21borgygAthleticDep22632640.033
2009-01-29borgygAthleticDep22642650.064
2009-02-02borgygAthleticDep22652660.127
2009-02-06borgygAthleticDep22662670.255
2009-02-07Sturle Sundetristan.ifi2672680.510
2009-06-22Klaas de Jonglaptop2-kdj2682691.019
2012-03-15Serge BatalovManual testing2692702.039
2012-03-21Kyle AskineManual testing2702714.077
2012-04-25ChuckManual testing27127324.46


ECM factoring results:
No ECM results for M58652767


Lucas-Lehmer results:
No L-L results for M58652767


PRP results:
No PRP results for M58652767


CERT results:
No CERT results for M58652767


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
273
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
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00