# 1011001

This number is a prime.

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Largest known prime-indexed Fibonacci number written in
base 2, read as decimal numbers which then is prime. 89 (a
prime) is the 11th (a prime) Fibonacci number, 89 (base 2)
= 1011001, and 1011001 (base 10) is prime. [Post]
Submitted: 2010-08-31 07:05:11; Last Modified: 2019-06-01 18:05:00.

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