Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 345: | \[{19^{345}-1\over18}\] | 3 × 31 × 127 × 151 × 211 × 277 × 461 × 911 × 2347 × 9661 × 11731 × 1530559 × 2460181 × 5647651 × 1625377111 × 9555459481<10> × 16497763013<11> × 1335495402823<13> × 1424127720880231<16> × 71425475193776503<17> × 167026691666949955561753<24> × 3116089164298772408742459158511660993078222764512521871753456940323041289292878361<82> × 18316752615003919426154380309330218162025192278030473222676121737877155673893476192777746964759205708678000213947444530247294019461296485835131764749670692688314807389756573477220048803814803640165489297285748431561<215> |