is 2 48583753 - 1
has 14625167 decimal digits
takes 84.347 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
Actual2692.457362.3188 %----2.457362.3188 %
Target27219.684263.8889 %340000550000008.35274.1716 %28.036965.3953 %
Difference-3-17.2269-1.5700 %-340000-55000000-8.3527-4.1716 %-25.5796-3.0765 %

Known prime factors (1 factor, 80.6 bits, 0.00016584% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4858375317985047731693334100315192580.57318509323200796503
33 × 113 × 193 × 229 × 3307 × 41507
2011-10-193307415077,137.90.01360.0169

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-10-19MCASM11-OFFICE-012580.5731.4220.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-06-06Thomas Mullenv4_computers212590.001
2007-12-181997rj7v4_computers212630.020
2008-06-02sasaki3v4_computers212691.230


ECM factoring results:
No ECM results for M48583753


Lucas-Lehmer results:
No L-L results for M48583753


PRP results:
No PRP results for M48583753


CERT results:
No CERT results for M48583753


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
269
263
259
this exponent TF target: 72
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00