Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 125: | \[{28^{125}-1\over27}\] | 251 × 15101 × 106801 × 245251 × 637421 × 32861501 × 6813064001<10> × 7984305701<10> × 1606876519751<13> × 1599000960085924476472613473719992411738225991261539629819839771552618469753882940656168305718116566993734075537931251<118> |