This number is a prime.
Single Curio View: (Seek other curios for this number)In the middle of 97 insert (97 - 1) and you get 9967, which is also prime. Put (97 - 1) in the middle of 9967 and you get 999667, which is another prime. Put (97 - 1) in the middle again and you get 99996667, yet another prime. After inserting (97 - 1) in the middle once more, it is left for the prime curiologist to find the factors of 9999966667. [Honaker]
Submitted: 2006-08-27 18:16:04; Last Modified: 2008-07-31 09:25:00.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell