Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 350: | \[{28^{350}-1\over27}\] | 11 × 29 × 71 × 113 × 151 × 211 × 701 × 2521 × 7001 × 13007 × 15101 × 35771 × 53951 × 59221 × 106801 × 206501 × 637421 × 2606251 × 4422461 × 6232801 × 5277241901<10> × 6813064001<10> × 7984305701<10> × 31384274881<11> × 30087331411201<14> × 131435513227201<15> × 2005875869991701<16> × 161360021191153051<18> × 222929435014083414901<21> × 10420018720731016427597701<26> × 99885743242098024883367081<26> × 7282742809531350239567770573045775330333217551<46> × 96515883164948351762376905791899466687790160466196382863967855842268036854780326601<83> × 275616088352266674042388557364615369673418412745317462609311397926483058602526600836332519348153703648810909689081419069079201<126> |