12417...12929 (25-digits)

This number is a prime.

                                                 12417 1254512673 1280112929

+ The smallest prime that is concatenation of n consecutive n-digit Proth numbers, i.e., {12417||12545||12673||12801||12929}, (case n=5). [Bajpai]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell