Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 441: | \[{3^{441}-1\over2}\] | 13 × 491 × 757 × 1093 × 4019 × 8233 × 47041 × 51157 × 131713 × 368089 × 144542918285300809<18> × 2204277929951182849<19> × 254395969103901649521223867932173929<36> × 407888431426111186599600583446287711634101230416829<51> × 1908747358163246556181601752958296681964585731358509<52> |