is 2 45965863 - 1
has 13837104 decimal digits
takes 73.774 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
Actual2681.296761.7647 %----1.296761.7647 %
Target27220.805363.8889 %320000500000007.04384.0323 %27.849165.3450 %
Difference-4-19.5086-2.1242 %-320000-50000000-7.0438-4.0323 %-26.5524-3.5803 %

Known prime factors (1 factor, 88.2 bits, 0.00019183% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
459658633501878034784874478561762072788.1783809216020576916481
3 × 7 × 97 × 163 × 1949 × 37591 × 156589
2010-11-10375911565892,361,7650.10260.1780

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-11-10TeamResslerTUB10623152788.1781.4100.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-04-231997rj7v4_computers212630.021
2007-12-31ComputerraRUv4_computers2642650.081
2008-01-15mathemajikianv4_computers212680.650


ECM factoring results:
No ECM results for M45965863


Lucas-Lehmer results:
No L-L results for M45965863


PRP results:
No PRP results for M45965863


CERT results:
No CERT results for M45965863


P-1 factor-bounds graph:
103
104
105
103
104
105
106
TF factor-bounds graph:
268
265
263
this exponent TF target: 72
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00