2328316694653
This number is a prime.
232 8316694653
Even though three of them from {2, 3, 5, 7} end in 0, the first set of four consecutive primes generating a prime by more pair concatenations in binary is not until this prime and its successors. [Merickel]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell