is 2 6950591 - 1
has 2092337 decimal digits
takes 1.516 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
Actual2674.275065.6716%----4.275065.6716%
Target2674.275065.6716%450009000000.02902.2379%4.304066.4399%
Difference----45000-900000-0.0290-2.2379%-0.0290-0.7682%

Known prime factors (3 factors, 100.0 bits, 0.00143927% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
695059113901183823.7291
1		-111.608e-133.162e-76.435e-7
6950591105648983211133.299760
23 × 5 × 19		2008-09-088191.917e-102.719e-65.148e-6
695059188617950072711343.011637485
3 × 5 × 42499		2008-09-085424993.344e-70.00070.0014

4 Composite Factors:
P-1 results:
No P-1 results for M6950591


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08Will EdgingtonManual testing??33.299112.70834e-117.3351.31077e-10
2008-09-08Will EdgingtonManual testing??43.011131.65853e-77.3358.02689e-7


ECM factoring results:
No ECM results for M6950591


Lucas-Lehmer results:
No L-L results for M6950591


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-26Oliver KruseGTX-0
13901183
10564898321
8861795007271
7827A491419596__no
2019-02-08krackerGRID-11
13901183
10564898321
8861795007271
7827A491419596D7no


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
TF factor-bounds graph:
2
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-04-26T21:34:10+00:00