is 2 6952849 - 1
has 2093017 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
Actual2674.273665.6716%----4.273665.6716%
Target2674.273665.6716%450009000000.02902.2380%4.302666.4399%
Difference----45000-900000-0.0290-2.2380%-0.0290-0.7683%

Known prime factors (3 factors, 117.6 bits, 0.00169094% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6952849152962679927.18911
11		-1112.578e-124.884e-76.435e-7
6952849278113961928.05120
22 × 5		2008-09-08455.166e-121.282e-62.574e-6
695284957914839966515495911962.329416482796955
3 × 5 × 239 × 116173723		2016-07-262391161737230.16582.00133.7378

4 Composite Factors:
P-1 results:
No P-1 results for M6952849


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08Will EdgingtonManual testing??28.05192.22653e-147.3351.07718e-13
2016-07-26TJAOIManual testing262263*62.329190.0777.1050.363


ECM factoring results:
No ECM results for M6952849


Lucas-Lehmer results:
No L-L results for M6952849


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-26Oliver KruseGTX-7
152962679
278113961
5791483996651549591
C99516BF218B2B__no
2019-02-09artorollofirst
152962679
278113961
5791483996651549591
C99516BF218B2BE5no


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
263
2
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-04-26T21:34:10+00:00