Fibonacci Sequence
Defined with \(F_0=0\), \(F_1=1\), and \(F_n=F_{n-1}+F_{n-2}\) when \(n\geq2\).
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 128: | \[F_{128}\] | 3 × 7 × 47 × 127 × 1087 × 2207 × 4481 × 186812208641<12> |