Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 1972: | \[L_{1972}\] | 7 × 3943 × 299281 × 25048343 × 21822944743<11> × 23230657239121<14> × 834428410879506721<18> × 151872686468441440121505251959680581542808786516691183301169981637302139292238443527089469809202900474013527517872869436109085261588462393275958765332976920121691326170118507534049049061063065098491695348050011694574193030944314859572906754912086890504901489053481990227944304652205408603605149986290329533808213668875722491649130885820969782109051137143<354> |