is 2 91216273 - 1
has 27458835 decimal digits
takes 330.406 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
Actual2670.325859.7015%----0.325859.7015%0.0000%
PrimeNet2715.241261.9718%400000180000007.13725.5531%12.378464.0836%2.1117%
GPU7227583.887564.0000%600000220000009.27514.1368%93.162665.4893%1.4893%
Difference-8-83.5618-4.2985%-600000-22000000-9.2751-4.1368%-92.8368-5.7878%-5.7878%

Known prime factors (1 factor, 43.6 bits, 0.00004781% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
91216273134657110853531443.61473812
22 × 3 × 6151
2007-08-23461512.539e-80.00180.0033

P-1 results:
No P-1 results for M91216273


Trial Factoring results:
No TF results for M91216273


ECM factoring results:
No ECM results for M91216273


Lucas-Lehmer results:
No L-L results for M91216273


PRP results:
No PRP results for M91216273


P-1 factor-bounds graph:
100
101
100
101
102
103
104
TF factor-bounds graph:
267
240
250
260
270
280
290
2100
Last modified: 2007-08-23T20:00:34+00:00