is 2 93403243 - 1
has 28117178 decimal digits
takes 338.327 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
Actual277327.699264.9351 %720000136800007.49023.1853 %335.189366.0520 %
Target27581.923464.0000 %60000011000000034.45684.1487 %116.380165.4935 %
Difference+2+245.7758+0.9351 %+120000-96320000-26.9666-0.9634 %+218.8092+0.5584 %

Known prime factors (1 factor, 82.8 bits, 0.00008869% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9340324386715526076492497411969992582.84346419976058268393
34 × 7 × 79 × 176777 × 5862313
2019-08-25176777586231311,1062.55543.1332

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-08-25Ryan PropperManual testing72000013680000622582.8437.4903.870%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-07Architects Cubedm1_522642650.040
2013-07-23David CampeauManual testing2652660.080
2014-02-11GrunwalderGIMPcompute-0-52662670.160
2014-02-17ANONYMOUSee2672680.320
2014-02-17ANONYMOUSFlandre2682690.640
2014-03-12hkskypManual testing2692701.280
2014-10-27Preben SManual testing2702712.560
2018-07-17chuenkitManual testing2712725.120
2019-03-06chuenkitManual testing27227310.24
2019-05-17lobsterfordinnerManual testing27327420.48
2019-08-18TheJudgerManual testing274277286.7


ECM factoring results:
No ECM results for M93403243


Lucas-Lehmer results:
No L-L results for M93403243


PRP results:
No PRP results for M93403243


CERT results:
No CERT results for M93403243


P-1 factor-bounds graph:
B1 = 720000, B2 = 13680000 (P-1 stage 2)
B1 = 720000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
274
273
272
271
270
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00