19740274219868223167

This number is a composite.

1974027421 9868223167

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The largest known brilliant Fibonacci number. The sequence begins 21, 377, 121393, 5702887, 19740274219868223167 ... . [Gaydos]

Submitted: 2019-03-06 06:01:53; Last Modified: 2019-03-11 23:08:28.