
Curios:
Curios Search:
Participate: 
693 is the index of smallest prime p such that the
concatenation of 1000 consecutive primes beginning with p is prime, i.e., p(693).p(694).p(695)...p(1692) is prime. Note that the resulting prime contains 4463digits. [Firoozbakht]
Prime Curios! © 20002018 (all rights
reserved)
privacy statement
