## 1335 digit AP7

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• Hi All, (1198555389+n*5893725)*3121#+1 (n=0-6) describes a 1335 digit AP7 Primality testing (1198555389+0*5893725)*3121#+1 [N-1, Brillhart-Lehmer-Selfridge]
Message 1 of 2 , Apr 28, 2010
Hi All,

(1198555389+n*5893725)*3121#+1 (n=0-6) describes a 1335 digit AP7

Primality testing (1198555389+0*5893725)*3121#+1 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Calling Brillhart-Lehmer-Selfridge with factored part 33.38%
(1198555389+0*5893725)*3121#+1 is prime! (0.5927s+0.0015s)
Primality testing (1198555389+1*5893725)*3121#+1 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Calling Brillhart-Lehmer-Selfridge with factored part 33.56%
(1198555389+1*5893725)*3121#+1 is prime! (0.5591s+0.0015s)
Primality testing (1198555389+2*5893725)*3121#+1 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Calling Brillhart-Lehmer-Selfridge with factored part 33.38%
(1198555389+2*5893725)*3121#+1 is prime! (0.5616s+0.0020s)
Primality testing (1198555389+3*5893725)*3121#+1 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3163
Calling Brillhart-Lehmer-Selfridge with factored part 33.36%
(1198555389+3*5893725)*3121#+1 is prime! (0.5756s+0.0015s)
Primality testing (1198555389+4*5893725)*3121#+1 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 11
Calling Brillhart-Lehmer-Selfridge with factored part 33.42%
(1198555389+4*5893725)*3121#+1 is prime! (0.5618s+0.0028s)
Primality testing (1198555389+5*5893725)*3121#+1 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Calling Brillhart-Lehmer-Selfridge with factored part 33.40%
(1198555389+5*5893725)*3121#+1 is prime! (0.5633s+0.0016s)
Primality testing (1198555389+6*5893725)*3121#+1 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 19
Calling Brillhart-Lehmer-Selfridge with factored part 33.56%
(1198555389+6*5893725)*3121#+1 is prime! (0.5652s+0.0016s)

cheers
Ken
• ... Congratulations on retaking the record and holding AP4 to AP9. http://users.cybercity.dk/~dsl522332/math/aprecords.htm is updated. -- Jens Kruse Andersen
Message 2 of 2 , Apr 29, 2010
Ken wrote:
> (1198555389+n*5893725)*3121#+1 (n=0-6) describes a 1335 digit AP7

Congratulations on retaking the record and holding AP4 to AP9.
http://users.cybercity.dk/~dsl522332/math/aprecords.htm is updated.

--
Jens Kruse Andersen
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