23970...93879 (1614-digits)
This number is a prime.
The smallest probable prime of the form n!! - reversal(n), where n = 1216. [Firoozbakht]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The smallest probable prime of the form n!! - reversal(n), where n = 1216. [Firoozbakht]