is 2 58349029 - 1
has 17564808 decimal digits
takes 123.668 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L926F8EC482D41B3Bdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27465.568664.8649 %545000111725003.45433.7354 %69.022966.1773 %
Target27332.782864.3836 %4000006500000012.04574.0804 %44.828465.8369 %
Difference+1+32.7858+0.4813 %+145000-53827500-8.5913-0.3450 %+24.1945+0.3404 %

Known prime factors:
No known factors for M58349029

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-10-24greg3llworkpc5450001117250012--3.4544.120%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.06000e-5
2000-02-09ANONYMOUSv4_computers212544.11000e-5
2000-06-28ANONYMOUSv4_computers212560.000
2000-06-29ANONYMOUSv4_computers212560.000
2001-07-17ANONYMOUSv4_computers212570.000
2002-09-22ANONYMOUSv4_computers212580.001
2003-07-30ANONYMOUSv4_computers212590.001
2003-12-02ANONYMOUSv4_computers212610.003
2003-12-13ANONYMOUSv4_computers212610.003
2008-11-18ANONYMOUSv4_computers2632640.034
2008-11-18ANONYMOUSv4_computers2642650.064
2008-11-18ANONYMOUSv4_computers2652660.128
2008-11-18ANONYMOUSv4_computers2662670.256
2008-11-17ANONYMOUSv4_computers212692.017
2008-11-18ANONYMOUSv4_computers2682691.025
2011-07-02TheJudgerManual testing2692702.049
2011-10-20rlakeManual testing2702714.098
2012-07-17XyzzyManual testing2712728.196
2012-09-24Tom DuellManual testing27227316.39
2015-01-02fre_gamesManual testing27327432.79


ECM factoring results:
No ECM results for M58349029


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-05-09William WallaceT620926F8EC482D41B3B123.7
2021-07-01AuspiciousLLamaxaltsdc0b021926F8EC482D41B3B123.7


PRP results:
No PRP results for M58349029


CERT results:
No CERT results for M58349029


P-1 factor-bounds graph:
B1 = 545000, B2 = 11172500 (P-1 stage 2)
B1 = 545000 (P-1 stage 1)
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108
TF factor-bounds graph:
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this exponent TF target: 73
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00