Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 280: | 52 × 11 × 29 × 41 × 61 × 71 × 113 × 157 × 211 × 281 × 449 × 2521 × 13007 × 14561 × 23633 × 29201 × 35771 × 41641 × 53951 × 59221 × 84961 × 206501 × 614657 × 637421 × 749729 × 924841 × 4422461 × 23803361 × 25917641 × 54034289 × 213827041 × 856213121 × 1100860153 × 31384274881<11> × 439840060577<12> × 2863024493281<13> × 15463990974881<14> × 2005875869991701<16> × 3003033748840445350801<22> × 488349141962958580399201<24> × 99885743242098024883367081<26> × 121472104014598896667779464986019001665861519088940386401<57> × 18295291095632227447636005541596813308236526916222861440662608401<65> |