12417...12929 (25-digits)

This number is a prime.

12417 1254512673 1280112929

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

Submitted: 2020-05-17 15:14:18; Last Modified: 2020-06-18 03:10:36.