Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 448: | \[{12^{448}-1\over11}\] | 5 × 13 × 17 × 29 × 89 × 97 × 113 × 211 × 233 × 449 × 659 × 673 × 769 × 2129 × 3137 × 4943 × 13063 × 140897 × 153953 × 244721 × 260753 × 527633 × 3870580673 × 13156924369<11> × 1200913648289<13> × 7168793748481<13> × 22232950788588289<17> × 9150512297530943809<19> × 7382222489336492114312129<25> × 79493013628273739882868481<26> × 44450180997616192602560262634753<32> × 1908881874929934427542161644841657921<37> × 11484881753583546231345876186883124141404342407238273<53> × 252187443819941256199089395276931300829703554403228893201580771777<66> × 283463975984399894956207700312467535193660257528529638581811655239913061806669480894999522287615393<99> |