Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
85: | \[{29^{85}-1\over28}\] | 3911 × 732541 × 1977917 × 33505187587603<14> × 201277407819478812611<21> × 28372310935798311234499081<26> × 663043739507716228901140193379463641091109060051<48> |