5*10^7--5*10^12前后最大、最小孪生素数对
5*10^7 49999757 is prime
8位 49999759 is prime
8位 50000231 is prime
8位 50000233 is prime
5*10^8 499999319 is prime
9位 499999321 is prime
9位 500000069 is prime
9位 500000071 is prime
5*10^9 4999999859 is prime
10位 4999999861 is prime
10位 5000000351 is prime
10位 5000000353 is prime
5*10^10 49999999589 is prime
11位 49999999591 is prime
11位 50000000021 is prime
11位 50000000023 is prime
5*10^11 499999999061 is prime
12位 499999999063 is prime
12位 500000000609 is prime
12位 500000000611 is prime
5*10^12 4999999999877 is prime
13位 4999999999879 is prime
13位 5000000000447 is prime
13位 5000000000449 is prime