is 2 48610889 - 1
has 14633336 decimal digits
takes 84.394 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
Actual2692.456062.3188 %----2.456062.3188 %
Target27219.673263.8889 %340000550000008.35274.1719 %28.025965.3954 %
Difference-3-17.2173-1.5700 %-340000-55000000-8.3527-4.1719 %-25.5699-3.0766 %

Known prime factors (1 factor, 74.2 bits, 0.00015272% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
48610889222979647637087750800892374.239229351542652396
22 × 59 × 130349 × 7455589
2010-02-101303497455589102.491.33281.9098

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-02-10Larry LogoryGR42374.2393.5460.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-06-06Thomas Mullenv4_computers212590.001
2007-11-171997rj7v4_computers212630.020
2008-06-02ANONYMOUSv4_computers212691.230


ECM factoring results:
No ECM results for M48610889


Lucas-Lehmer results:
No L-L results for M48610889


PRP results:
No PRP results for M48610889


CERT results:
No CERT results for M48610889


P-1 factor-bounds graph:
104
105
106
104
105
106
107
TF factor-bounds graph:
269
263
259
this exponent TF target: 72
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00