Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 646: | \[{9^{646}-1\over8}\] | 2 × 5 × 103 × 307 × 647 × 1021 × 1597 × 1871 × 2851 × 34511 × 68477 × 101917 × 363889 × 956353 × 1600789 × 5301533 × 39039719 × 122985481 × 371973907 × 521988673 × 779415797 × 1743831169 × 25480398173<11> × 29134285181591<14> × 7838445147111847<16> × 228305540799690255462485437<27> × 1848212935645687272656073991399<31> × 4348448310897886515372957809099004517231<40> × 145774205091243248788288698285520297797062666607670976770953618247557290711362071955053996647333431708403483<108> × 1381294491463988994987714964880623457283423029146815442013007224414166082169376209577605506164976101022647324203662000147614199963340491507239172994396740716104994953235191903570456525570394737305558747970677459783762248206341887275497233025244036389029745049569<262> |