25262...74849 (50-digits)

This number is a prime.

                      2526272829 3031323334 3536373839 4041424344 4546474849

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ The only prime formed by concatenating (in ascending order) 25 consecutive double-digit numbers. Note that the first number is 25. [Loungrides]

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