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>
| 646: | \[F_{646}\] | 37 × 113 × 1597 × 3571 × 9349 × 1109581873 × 85542646443577<14> × 111331562323253269<18> × 22469617515216274972459349854327642081<38> × 8567112840278893965438720953737489208042629<43> |