is 2 91818997 - 1
has 27640273 decimal digits
takes 332.589 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
Actual2670.323659.7015%----0.323659.7015%0.0000%
PrimeNet2715.206761.9718%400000180000007.13725.5574%12.344064.0852%2.1134%
GPU7227583.336964.0000%600000220000009.27514.1401%92.611965.4904%1.4904%
Difference-8-83.0133-4.2985%-600000-22000000-9.2751-4.1401%-92.2883-5.7890%-5.7890%

Known prime factors (1 factor, 52.1 bits, 0.00005676% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9181899748963315703122711652.12126662955
5 × 112 × 44071
2007-08-25121440717.857e-60.01320.0236

P-1 results:
No P-1 results for M91818997


Trial Factoring results:
No TF results for M91818997


ECM factoring results:
No ECM results for M91818997


Lucas-Lehmer results:
No L-L results for M91818997


PRP results:
No PRP results for M91818997


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
TF factor-bounds graph:
267
250
260
270
280
290
2100
Last modified: 2007-08-25T17:47:37+00:00