is 2 93312757 - 1
has 28089939 decimal digits
takes 338.000 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
Actual277328.016964.9351 %720000136800007.49023.1849 %335.507166.0519 %
Target27582.002864.0000 %60000011000000034.45684.1482 %116.459665.4934 %
Difference+2+246.0141+0.9351 %+120000-96320000-26.9666-0.9633 %+219.0476+0.5585 %

Known prime factors (1 factor, 79.0 bits, 0.00008465% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
933127575996982225177999904356012478.9893213377472695400
23 × 36 × 52 × 17 × 1307 × 991927
2019-08-251307991927766.800.29030.5301

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-08-25Ryan PropperManual testing72000013680000622478.9897.4903.870%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-11Architects Cubedm1_752642650.040
2013-07-23David CampeauManual testing2652660.080
2014-02-10Preben SManual testing2662670.160
2014-02-11C.D.B.E8400_3600MHz2672680.320
2014-02-21Smok_bmvManual testing2682690.641
2014-03-12hkskypManual testing2692701.281
2014-09-24Preben SManual testing2702712.563
2017-10-08masserManual testing2712725.125
2019-03-02linamentManual testing27227430.75
2019-04-22KrieselManual testing27427541.00
2019-08-18TheJudgerManual testing275277246.0


ECM factoring results:
No ECM results for M93312757


Lucas-Lehmer results:
No L-L results for M93312757


PRP results:
No PRP results for M93312757


CERT results:
No CERT results for M93312757


P-1 factor-bounds graph:
B1 = 720000, B2 = 13680000 (P-1 stage 2)
B1 = 720000 (P-1 stage 1)
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103
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105
106
102
103
104
105
106
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108
TF factor-bounds graph:
277
275
274
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