Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 991: | \[L_{991}\] | 191091912727379<15> × 346291006333891538761<21> × 16577305468065134360650098150796137991588002289<47> × 10583789512220564738111807920548661493764437253721<50> × 110131824342201841238310358506623440198411956528964413167942542465402196884559<78> |