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>
| 688: | \[F_{688}\] | 3 × 7 × 47 × 6709 × 144481 × 9303823 × 433494437 × 313195711516578281<18> × 1403981099723321029379913948641<31> × 1269485331398883566721960085614767<34> × 126117711915911646784404045944033521<36> |