is 2 14976257 - 1
has 4508303 decimal digits
takes 7.172 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
Actual2671.984164.1791%----1.984164.1791%0.0000%
PrimeNet2650.487263.0769%6500020000000.11834.1420%0.605564.6063%1.5294%
GPU722697.971765.2174%10000026000000.16402.9926%8.135866.2583%1.0409%
Difference-2-5.9877-1.0383%-100000-2600000-0.1640-2.9926%-6.1517-2.0792%-2.0792%

Known prime factors (1 factor, 30.3 bits, 0.00020207% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1497625712879581031030.26243
43
-1439.640e-122.283e-62.940e-6

P-1 results:
No P-1 results for M14976257


Trial Factoring results:
No TF results for M14976257


ECM factoring results:
No ECM results for M14976257


Lucas-Lehmer results:
No L-L results for M14976257


PRP results:
No PRP results for M14976257


P-1 factor-bounds graph:
100
101
100
101
102
103
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100