Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 461: | \[{3^{461}-1\over2}\] | 11987 × 118164568780375261<18> × 1203473922272303966282236445337792145487543<43> × 1869566096395282675969776108567405541557601722844515411421<58> × 1407645001430838652409279287385962590549829189405923610118784371428955322561001003009596883643937181<100> |