23571...11411 (76-digits)

This number is a prime.

235711
1011311511 8119131335 3373383727 7577877979 1992910301 1050110601 1131111411

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A prime formed from the concatenation of first n palindromic primes i.e., {2, 3, 5, 7, 11, 101, ... , 11311, 11411}, (case n = 25). [Gupta]

Submitted: 2019-03-17 18:12:25; Last Modified: 2019-03-17 18:51:18.