348
This number is a composite.
348! plus the 349th prime is prime. [Firoozbakht]
348 = 3!2+4!2+8!2 - prime(3+4+8). Note that 348 is the only number with this property. [Firoozbakht]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell