Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 256: | \[{29^{256}-1\over28}\] | 28 × 3 × 5 × 17 × 193 × 257 × 421 × 641 × 7937 × 10753 × 26209 × 353641 × 561377 × 18669569 × 19289729 × 63354497 × 63739777 × 417436605125812561409<21> × 6558616462662643363073<22> × 125123236840173674393761<24> × 162858237363862164959617<24> × 2560773582536027001020194716916748801<37> × 401647458647500904514626253485009236688043521<45> × 7489415766482034878751862989871989454755819649<46> × 34833892684287968000616258985870540796806437387498153460620908876393073788603150304741889<89> |