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Old 2006-01-24, 14:42   #16
Greenbank
 
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Jul 2005

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n=88 checked to 1152921T and none found!

n=88, kmin=0T, kmax=1000T, version=3.0, here T=10^12
Starting the sieve...
Using the first 10 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=1043746
Time=246 sec.
n=88, kmin=1000T, kmax=10000T, version=3.0, here T=10^12
Starting the sieve...
Using the first 11 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=9398311
Time=1609 sec.
n=88, kmin=10000T, kmax=100000T, version=3.0, here T=10^12
Starting the sieve...
Using the first 12 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=94011886
Time=15724 sec.
n=88, kmin=100000T, kmax=200000T, version=3.0, here T=10^12
Starting the sieve...
Using the first 12 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=104471197
Time=9868 sec.
n=88, kmin=200000T, kmax=300000T, version=3.0, here T=10^12
Starting the sieve...
Using the first 12 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=104469691
Time=9865 sec.
n=88, kmin=300000T, kmax=1000000T, version=3.0, here T=10^12
Starting the sieve...
Using the first 12 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=731066801
Time=53935 sec.
n=88, kmin=1000000T, kmax=1152921T, version=3.0, here T=10^12
Starting the sieve...
Using the first 12 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=159716548
Time=13929 sec.

That is the highest T below 2^60 (the limit of dodeca30) at the moment.

Anyway, onwards with n=65.
Greenbank is offline