Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 407: | \[{17^{407}-1\over16}\] | 149 × 223 × 29123293 × 52950111479<11> × 2141993519227<13> × 201085942963511<15> × 22375935719863639<17> × 1016919604559540581<19> × 6218882581209875638403<22> × 464239976610748405532119955873<30> × [26746683934237813553732649816726423208379782315895975978814037241987729203031805735704337382252487700898769223107347857626240827487534557612132881211913878304095156170028749572858713251800783072905348423196081644609831765959224082456610524788676949263317455228250493554668227446072927208931488503488461855176341819330062868630712125373338147358769479762958407558339<365>] |