is 2 68161183 - 1
has 20518561 decimal digits
takes 182.236 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
Actual2670.435959.7015%----0.435959.7015%0.0000%
PrimeNet2703.505761.4286%300000130000003.84555.3776%7.351163.5028%2.0742%
GPU7227456.129763.5135%450000150000004.81773.9368%60.947464.9499%1.4364%
Difference-7-55.6937-3.8120%-450000-15000000-4.8177-3.9368%-60.5115-5.2484%-5.2484%

Known prime factors (1 factor, 42.7 bits, 0.00006269% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6816118372792053773031342.72753397
32 × 17 × 349
-173491.339e-80.00010.0001

P-1 results:
No P-1 results for M68161183


Trial Factoring results:
No TF results for M68161183


ECM factoring results:
No ECM results for M68161183


Lucas-Lehmer results:
No L-L results for M68161183


PRP results:
No PRP results for M68161183


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