is 2 168848923 - 1
has 50828591 decimal digits
takes 1,149.111 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.176058.2090%----0.176058.2090%0.0000%
PrimeNet27422.658562.1622%7000004000000028.03685.5293%50.695464.2543%2.0922%
GPU72278362.552064.1026%10000004000000030.83603.9993%393.387965.5382%1.4357%
Difference-11-362.3760-5.8936%-1000000-40000000-30.8360-3.9993%-393.2119-7.3293%-1.4357%

Known prime factors (1 factor, 31.3 bits, 0.00001856% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
16884892327015827691031.3318
23
2007-11-16881.697e-127.894e-50.0002

P-1 results:
No P-1 results for M168848923


Trial Factoring results:
No TF results for M168848923


ECM factoring results:
No ECM results for M168848923


Lucas-Lehmer results:
No L-L results for M168848923


PRP results:
No PRP results for M168848923


P-1 factor-bounds graph:
100
101
100
101
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2007-11-16T20:26:18+00:00