is 2 50044087 - 1
has 15064772 decimal digits
takes 91.678 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
Actual2692.385662.3188 %----2.385662.3188 %
Target27338.223264.3836 %340000550000008.81373.7865 %47.036965.7322 %
Difference-4-35.8376-2.0647 %-340000-55000000-8.8137-3.7865 %-44.6513-3.4133 %

Known prime factors (1 factor, 70.8 bits, 0.00014141% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5004408720068924187283747202812270.76520051244203220
22 × 32 × 5 × 257 × 839 × 516623
2010-08-278395166238.99460.07690.1396

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-08-27TeamResslerTUB10623272270.7651.7820.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-10-07ANONYMOUSv4_computers212532.40000e-5
2000-02-09ANONYMOUSv4_computers212544.80000e-5
2000-03-22ANONYMOUSv4_computers212600.002
2008-07-10George WoltmanManual testing212640.038
2008-09-23tmorrowv4_computers212691.195


ECM factoring results:
No ECM results for M50044087


Lucas-Lehmer results:
No L-L results for M50044087


PRP results:
No PRP results for M50044087


CERT results:
No CERT results for M50044087


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
TF factor-bounds graph:
269
264
260
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00