463479467461
This number is a prime.
46 3479467461
The first prime formed from the set of four consecutive primes ending with 1, 3, 7, 9. Note that the set of these primes, (461, 463, 467, 479), is not a prime quadruplet. Note also that any concatenation of the terms of a prime quadruplet is divided by 3 so it is not prime. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell