Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 523: | \[{3^{523}-1\over2}\] | 8321977 × 4613832781<10> × 118660861315644501826386980212508132942915206257779375740236957417866662884621310426338818063<93> × 375656030269986330864181980582589955241317873372978050064866715649582215392313734570863675903206092951494871237859761737939410419859274136823<141> |