Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
179: | \[{3^{179}-1\over2}\] | 359 × 56207 × 100957 × 19510643 × 291066066130451<15> × 6779963644378513811<19> × 161868664744491655705858963594331<33> |