add prifie for numbers from 300 to 2000 digits primes
add prifie for numbers from 300 to 2000 digits primes

dsroche/flint2,fredrik-johansson/flint2,dsroche/flint2,jpflori/flint2,fredrik-johansson/flint2,wbhart/flint2,jpflori/flint2,wbhart/flint2,jpflori/flint2,dsroche/flint2,jpflori/flint2,dsroche/flint2,wbhart/flint2,fredrik-johansson/flint2