is 2 25473271 - 1
has 7668219 decimal digits
takes 21.829 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
Actual2671.166562.6866%----1.166562.6866%0.0000%
PrimeNet2660.579862.1212%12000045000000.44565.1688%1.025464.0791%1.9579%
GPU722709.380464.2857%18000055000000.58383.7421%9.964365.6222%1.3365%
Difference-3-8.2140-1.5991%-180000-5500000-0.5838-3.7421%-8.7978-2.9356%-2.9356%

Known prime factors (1 factor, 38.5 bits, 0.00015128% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
254732713986057446091238.5367824
24 × 3 × 163
-161632.434e-92.983e-54.046e-5

P-1 results:
No P-1 results for M25473271


Trial Factoring results:
No TF results for M25473271


ECM factoring results:
No ECM results for M25473271


Lucas-Lehmer results:
No L-L results for M25473271


PRP results:
No PRP results for M25473271


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