11939...91193 (29-digits)

This number is a prime.

119391193 9119391113 9119191193

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A prime number obtained by concatenating the five right-to-left circular permutations of the circular prime 11939, and by inserting four 1s as separators between the five concatenated primes. [Necula]

Submitted: 2004-01-10 20:02:54; Last Modified: 2008-01-30 17:28:00.