is 2 5370059 - 1
has 1616549 decimal digits
takes 0.848 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LC2BF73BE49EB9C27double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2675.533365.6716 %600009600000.02502.3209 %5.558266.4684 %
Target2662.750165.1515 %3200032500000.04752.0735 %2.797665.8741 %
Difference+1+2.7831+0.5201 %+28000-2290000-0.0225+0.2474%+2.7606+0.5943 %

Known prime factors (1 factor, 73.0 bits, 0.00135937% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
537005994372166496659566631592272.999878688357955281
35 × 3616001473067
2010-10-312433616001473067178.0945,11184,255

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2000-10-28ANONYMOUSv4_computers25000281250--0.0091.545%
2010-09-27Squeeky_SquirrelP4_2600600009600006--0.0282.627%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-03-17ANONYMOUSv4_computers212620.057
2009-05-21GrunwalderGIMPManual testing2622630.183


ECM factoring results:
Total ECM effort:0.168 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.168


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-08-02Vassilov4_computersC2BF73BE49EB9C270.848
2000-11-25ANONYMOUSv4_computersC2BF73BE49EB9C270.848


PRP results:
dateuseridcompidcofactorsres64
2017-11-29Oliver KruseGTX-2
9437216649665956663159
265F02E6AEE3D59E
2018-02-20kkmrkkblmbrbkc5.large
9437216649665956663159
265F02E6AEE3D59E


CERT results:
No CERT results for M5370059


P-1 factor-bounds graph:
B1 = 60000, B2 = 960000 (P-1 stage 2)
B1 = 60000 (P-1 stage 1)
B1 = 25000, B2 = 281250 (P-1 stage 2)
B1 = 25000 (P-1 stage 1)
101
102
103
104
105
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
263
262
this exponent TF target: 66
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-02-09T03:30:02+00:00