Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
507: | \[L_{507}\] | 22 × 79 × 521 × 859 × 2029 × 596107814364089<15> × 671040394220849329<18> × 78860606172081877329818897864636608633384251965253851978285929<62> |