Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 489: | \[{5^{489}-1\over4}\] | 31 × 4599209 × 24749269 × 35741989 × 40100609 × 675775181 × 1035424249 × 1098768033226879<16> × 173057961170649109<18> × 6582151087844246659<19> × 102556399583828574447011133455059<33> × 2541462766396986870745222882425433052891<40> × 1927737227283430074948302245370287336511800122755011<52> × 4985991390114635753037368421149206533928645957062488491<55> × 14096241705380215723892284972639158382701732644940414260375048779<65> |