is 2 47802077 - 1
has 14389860 decimal digits
takes 82.990 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
Actual2692.497562.3188 %----2.497562.3188 %
Target27220.006163.8889 %340000550000008.35274.1630 %28.358865.3922 %
Difference-3-17.5086-1.5700 %-340000-55000000-8.3527-4.1630 %-25.8613-3.0734 %

Known prime factors (1 factor, 75.3 bits, 0.00015752% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
47802077463845900014051073730812375.296485173374385020
22 × 3 × 5 × 31 × 41 × 3643 × 1746389
2010-07-0136431746389243.230.24820.4474

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-07-01UR_12375.2962.9880.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-04-03ANONYMOUSv4_computers212691.251


ECM factoring results:
No ECM results for M47802077


Lucas-Lehmer results:
No L-L results for M47802077


PRP results:
No PRP results for M47802077


CERT results:
No CERT results for M47802077


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
269
this exponent TF target: 72
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00