Fibonacci Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
661: | \[F_{661}\] | 25117 × 115013 × 361550655697011119582062819781<30> × 84932412915268787366637613595249<32> × 6972489834417050968196113043563295167940921145270312025483280931589<67> |