Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 512: | \[{22^{512}-1\over21}\] | 5 × 17 × 23 × 73 × 97 × 257 × 449 × 769 × 3209 × 28289 × 37889 × 828673 × 2310689 × 307357697 × 3227992561 × 257234246657<12> × 2902518892577<13> × 29571562823949828673<20> × 92444219894722671617<20> × 1193214125190655970497<22> × 467425692738800527752758043860040673389941792816931300097<57> × 954712231900678270463334800729156207107177465020606457186102135409056589057<75> × 2906926004264026622147460951836020855983014934524100961749335470754340427235709313<82> × [3926892874893240823877184567190744523283037129589449284195420198327672343368555493909400310846263298453801190115372738097330705639318118960278056574154997878946197029563957804964896785555488482535050423514079145149123037682202926474145030585310267387012831783646791872529500679639485313594692865279012171432431993480223960149623809<331>] |