23513...72169 (89-digits)

This number is a prime.

235138923 3159728657
5142294334 9443729712 1507399194 8530947554 9710663404 1749171059 5814572169

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The concatenation of the first 13 Fibonacci prime numbers is an 89-digit prime. Note that 13 and 89 are Fibonacci primes. [Green]

Submitted: 2010-01-09 06:30:40; Last Modified: 2012-03-29 02:14:14.