14878...36799 (109-digits)

This number is a prime.

148781564 7197611695 9103126817 4127357033
2356717154 7989498984 9830508638 7315423300 9996547575 6192863330 5897036799

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The only known prime of the form n^2^n-2 (n=7). The next such prime has more than 38538 digits. [Firoozbakht]

Submitted: 2010-05-12 21:17:15; Last Modified: 2010-05-13 16:24:09.