is 2 27311147 - 1
has 8221475 decimal digits
takes 25.282 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
Actual2671.088062.6866%----1.088062.6866%0.0000%
PrimeNet2660.540762.1212%12000045000000.48145.2167%1.022164.0972%1.9760%
GPU722708.749264.2857%20000060000000.69263.9071%9.441865.6811%1.3954%
Difference-3-7.6612-1.5991%-200000-6000000-0.6926-3.9071%-8.3538-2.9945%-2.9945%

Known prime factors (1 factor, 32.6 bits, 0.00011927% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2731114763908083991032.573117
32 × 13
-9132.148e-111.237e-52.459e-5

P-1 results:
No P-1 results for M27311147


Trial Factoring results:
No TF results for M27311147


ECM factoring results:
No ECM results for M27311147


Lucas-Lehmer results:
No L-L results for M27311147


PRP results:
No PRP results for M27311147


P-1 factor-bounds graph:
100
101
100
101
102
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100