Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 492: | \[{12^{492}-1\over11}\] | 5 × 7 × 13 × 19 × 29 × 83 × 157 × 12301 × 16729 × 20593 × 910201 × 1684652527 × 1977898057 × 2631304807 × 13657436942593<14> × 31383200376667<14> × 6768262271978677<16> × 47936660465075191<17> × 2085926490367660753<19> × 305115772972736748643<21> × 1371514197393197319841009039<28> × 97668924760419986491370101198871<32> × 198135604158907130782358027548853011255022891234380210220638216697707952818607731672501<87> × 214533033468609789881587657414964984600266163775345550678274661735237806832526209302641<87> × 1479443701861047001251118830158963259531612877039889289923965095260487594425841832958557537005713976855722662560885876375136742420128968215197873<145> |