在10^20+391、393至10^20+8119、8121之间还有20个素数,其中有4对孪生素数——
100000000000000000391 is prime
100000000000000000393 is prime
100000000000000000559 is prime
100000000000000000561 is prime
100000000000000000753 is prime
100000000000000000757 is prime
100000000000000001821 is prime
100000000000000001827 is prime
100000000000000002691 is prime
100000000000000002697 is prime
100000000000000003363 is prime
100000000000000003367 is prime
100000000000000004237 is prime
100000000000000004239 is prime
100000000000000005611 is prime
100000000000000005613 is prime
100000000000000005779 is prime
100000000000000005781 is prime
100000000000000006783 is prime
100000000000000006787 is prime
100000000000000007923 is prime
100000000000000007927 is prime
100000000000000008119 is prime
100000000000000008121 is prime