11101...10301 (52-digits)

This number is a prime.

                   11 1011311511 8119131335 3373383727 7577877979 1992910301

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

+ The only prime less than a googol formed by concatenating in ascending order the first n multidigit palindromic primes (case n=17). [Gallardo]

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