Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 88: | \[{29^{88}-1\over28}\] | 23 × 3 × 5 × 23 × 89 × 353 × 421 × 617 × 353641 × 5618383 × 72384467 × 402546025333<12> × 1521741545017<13> × 18944890940537<14> × 439165605149799397<18> × 1062009809976544695855821703343010606777<40> |