is 2 94653553 - 1
has 28493559 decimal digits
takes 342.856 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
Actual277323.370564.9351 %730000138700007.59423.2056 %330.964766.0591 %
Target27580.841264.0000 %65000011000000034.70514.1987 %115.546365.5115 %
Difference+2+242.5293+0.9351 %+80000-96130000-27.1108-0.9931 %+215.4184+0.5476 %

Known prime factors (1 factor, 89.3 bits, 0.00009433% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
946535537555874544650005550348999932789.2883991331706613277132
22 × 19 × 107 × 1303 × 244463 × 1540859
2019-12-1324446315408592,193,7941.65492.6131

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-12-13krackerManual testing7300001387000022789.2887.5943.894%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-11Architects Cubedm1_502642650.039
2014-02-09Carsten KossendeyManual testing2652680.553
2014-02-13HobzManual testing2682690.632
2014-06-17Koekie362692701.263
2015-02-24monstManual testing2702712.526
2018-10-28FredrikManual testing27127315.16
2019-06-03Joe S.Manual testing27327420.21
2019-09-25Johan ViljoenManual testing27427540.42
2019-12-05Strolling JellyfishManual testing27527680.84
2019-12-09TheJudgerManual testing276277161.7


ECM factoring results:
No ECM results for M94653553


Lucas-Lehmer results:
No L-L results for M94653553


PRP results:
No PRP results for M94653553


CERT results:
No CERT results for M94653553


P-1 factor-bounds graph:
B1 = 730000, B2 = 13870000 (P-1 stage 2)
B1 = 730000 (P-1 stage 1)
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105
106
104
105
106
107
108
TF factor-bounds graph:
277
276
275
274
273
271
270
269
268
265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00