is 2 93566201 - 1
has 28166234 decimal digits
takes 338.918 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
Actual277327.128464.9351 %720000138600007.54173.1948 %334.670166.0553 %
Target27581.780764.0000 %60000011000000034.45684.1496 %116.237465.4939 %
Difference+2+245.3477+0.9351 %+120000-96140000-26.9151-0.9549 %+218.4327+0.5614 %

Known prime factors (1 factor, 80.2 bits, 0.00008571% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9356620113820745441778964879857132580.1937385543761565656
23 × 2789 × 36653 × 9030971
2020-03-163665390309713,747.72.76634.8267

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-03-16Architects CubedColab_GTH72000013860000622580.1937.5423.881%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-26Architects Cubedm1_162642650.040
2014-01-07sasakii7-office2652660.080
2014-02-14Vladimir Tshegolevatykhtroy2662670.160
2014-04-17ANONYMOUSManual testing2672680.319
2014-04-22GrunwalderGIMPcompute-0-82682690.639
2014-06-23GrunwalderGIMPcompute-0-22692701.278
2014-12-18Preben SManual testing2702712.556
2018-08-20chuenkitManual testing27127435.78
2019-09-01TheJudgerManual testing274277286.2


ECM factoring results:
No ECM results for M93566201


Lucas-Lehmer results:
No L-L results for M93566201


PRP results:
No PRP results for M93566201


CERT results:
No CERT results for M93566201


P-1 factor-bounds graph:
B1 = 720000, B2 = 13860000 (P-1 stage 2)
B1 = 720000 (P-1 stage 1)
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TF factor-bounds graph:
277
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this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00