Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 316: | \[{28^{316}-1\over27}\] | 5 × 29 × 157 × 317 × 1423 × 29389 × 29863 × 419483839 × 6105120001<10> × 178569437519413<15> × 210997273888433<15> × 82964684195316953<17> × 6895188999808447206760744364543478700157713125759454202140669078343541672264587463833<85> × 8137130846647230437470633042827481307596617962520168674518678043211679476070130190992364701<91> × 311152798813334614923568062613161626533757499179246374636363210305150389525021431026808377761233<96> × 589313263529964782995329801507579750620293837153256673100250966378714860373275073567118363081027037391<102> |