25262...74849 (50-digits)

This number is a prime.

2526272829 3031323334 3536373839 4041424344 4546474849

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The concatenation of 25 consecutive integers starting from 25 (5^2) and ending with 49 (7^2) forms a prime. [Petrov]

Submitted: 2025-01-11 19:12:42; Last Modified: 2025-01-11 19:26:51.