is 2 93613889 - 1
has 28180589 decimal digits
takes 339.090 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
Actual277326.961864.9351 %720000138600007.54173.1950 %334.503566.0554 %
Target27581.739064.0000 %60000011000000034.45684.1499 %116.195865.4940 %
Difference+2+245.2228+0.9351 %+120000-96140000-26.9151-0.9549 %+218.3077+0.5614 %

Known prime factors (1 factor, 110.1 bits, 0.00011764% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
93613889141928930640412007798138239495820134110.1297580548792306449729811900
22 × 52 × 193 × 2593 × 133379 × 209357 × 5424577
2019-09-0220935754245771.876e+92.59202.8992

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-09-02Ryan PropperManual testing720000138600006234110.1297.5423.882%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-15Architects Cubedm1_512642650.040
2014-01-04sasakiManual testing2652670.239
2014-02-11SMoffatManual testing2672680.319
2014-09-19shaugeManual testing2682714.470
2018-08-14penluManual testing2712725.109
2019-03-10DerekManual testing27227310.22
2019-05-30lobsterfordinnerManual testing27327420.44
2019-09-01TheJudgerManual testing274277286.1


ECM factoring results:
No ECM results for M93613889


Lucas-Lehmer results:
No L-L results for M93613889


PRP results:
No PRP results for M93613889


CERT results:
No CERT results for M93613889


P-1 factor-bounds graph:
B1 = 720000, B2 = 13860000 (P-1 stage 2)
B1 = 720000 (P-1 stage 1)
104
105
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104
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108
TF factor-bounds graph:
277
274
273
272
271
268
267
265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00