is 2 40844101 - 1
has 12295300 decimal digits
takes 60.203 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
Actual2681.459361.7647 %----1.459361.7647 %
Target27223.414263.8889 %280000450000005.80573.8160 %29.220065.2669 %
Difference-4-21.9549-2.1242 %-280000-45000000-5.8057-3.8160 %-27.7607-3.5022 %

Known prime factors (1 factor, 69.0 bits, 0.00016889% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
408441015835707309567980789932168.9837143880225896
23 × 32 × 173 × 6871 × 83471
2008-11-136871834711.73690.02360.0299

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2008-11-13firehawkcidnp22168.9831.2240.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-02-05Marzbugv4_computers212680.732


ECM factoring results:
No ECM results for M40844101


Lucas-Lehmer results:
No L-L results for M40844101


PRP results:
No PRP results for M40844101


CERT results:
No CERT results for M40844101


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
268
this exponent TF target: 72
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00