Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
131: | \[{25^{131}-1\over24}\] | 263 × 2621 × 23928199 × 34720241 × 16815642611861<14> × 250805666433416532678429525124977090318975999001796354124089<60> × 23278959735865959837783914314445613074672559346722265555860894056527591481597100222820867<89> |