Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 371: | \[{6^{371}-1\over5}\] | 743 × 13781 × 55987 × 26801041 × 56691769 × 74107993 × 357293834576449<15> × 7091531088740602980647<22> × 2898481997987506733980871980599973253064554047756266758938351351888972317093313<79> × 2085999884869208009435525965913822030860174535352652980880824979107685697788766581189559646574996170414276072869945217452495629800564013997<139> |