View Single Post 2006-01-24, 14:42 #16 Greenbank   Jul 2005 2×193 Posts 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. 