Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 128: | \[{29^{128}-1\over28}\] | 27 × 3 × 5 × 17 × 193 × 257 × 421 × 641 × 7937 × 26209 × 353641 × 561377 × 19289729 × 63354497 × 63739777 × 125123236840173674393761<24> × 162858237363862164959617<24> × 2560773582536027001020194716916748801<37> × 7489415766482034878751862989871989454755819649<46> |