84138564904377983999

This number is a prime.

                                                       8413856490 4377983999

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The product of the first fifteen nonzero Fibonacci numbers minus 1 is prime. This is the largest known example. [Gupta]

Submitted: 2009-09-04 16:07:16;   Last Modified: 2009-09-05 01:58:06.
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