Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
340: | \[L_{340}\] | 7 × 2161 × 5441 × 897601 × 23230657239121<14> × 17276792316211992881<20> × 3834936832404134644974961<25> |