is 2 6995341 - 1
has 2105808 decimal digits
takes 1.525 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2674.247765.6716%----4.247765.6716%
Target2674.247765.6716%450009000000.02902.2403%4.276666.4407%
Difference----45000-900000-0.0290-2.2403%-0.0290-0.7691%

Known prime factors (3 factors, 152.2 bits, 0.00217640% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69953414244213291531238.62730336
27 × 3 × 79
-1281288.199e-94.047e-58.237e-5
699534113722073637120631650.28598080091
193 × 508187
2014-05-231935081873.124e-50.00880.0164
6995341116290426100129262472063.334831199123103
1109 × 2969 × 252443
2017-01-3029692524430.25870.00520.0081

4 Composite Factors:
P-1 results:
No P-1 results for M6995341


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-05-23TJAOIManual testing??50.285169.79717e-67.3274.70620e-5
2017-01-30TJAOIManual testing263264*63.334200.0316.8190.137


ECM factoring results:
No ECM results for M6995341


Lucas-Lehmer results:
No L-L results for M6995341


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-02kkmrkkblmbrbkc4.xlarge
424421329153
1372207363712063
11629042610012926247
30B8AF227BC944__no
2019-02-21ATHec2-PRPCFDC
424421329153
1372207363712063
11629042610012926247
30B8AF227BC9448Ano


P-1 factor-bounds graph:
101
102
103
104
101
102
103
104
105
106
TF factor-bounds graph:
264
2
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-04-26T21:34:10+00:00