is 2 48054049 - 1
has 14465711 decimal digits
takes 83.427 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
Actual2692.484462.3188 %----2.484462.3188 %
Target27219.901263.8889 %340000550000008.35274.1658 %28.253965.3932 %
Difference-3-17.4168-1.5700 %-340000-55000000-8.3527-4.1658 %-25.7695-3.0744 %

Known prime factors (1 factor, 81.2 bits, 0.00016895% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4805404927572813462575539251714332581.19028689375855274484
22 × 7 × 223 × 394411 × 11649551
2010-11-123944111164955110,1912.53652.9842

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-11-12Amitaiwork5dl2581.1903.2340.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-06-09Thomas Mullenv4_computers212590.001
2003-10-08Thomas Mullenv4_computers212600.002
2008-04-24WorknPlayv4_computers212691.244


ECM factoring results:
No ECM results for M48054049


Lucas-Lehmer results:
No L-L results for M48054049


PRP results:
No PRP results for M48054049


CERT results:
No CERT results for M48054049


P-1 factor-bounds graph:
104
105
106
104
105
106
107
108
TF factor-bounds graph:
269
260
259
this exponent TF target: 72
TF double-checked to: 67
250
260
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Last modified: 2024-03-13T02:15:48+00:00