Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 448: | \[{22^{448}-1\over21}\] | 5 × 7 × 17 × 23 × 29 × 43 × 73 × 97 × 113 × 257 × 449 × 6732 × 3209 × 4481 × 33601 × 63617 × 83273 × 86969 × 452033 × 895553 × 2310689 × 3096409 × 16968421 × 34379269 × 3227992561 × 2902518892577<13> × 127682309142529<15> × 29571562823949828673<20> × 1193214125190655970497<22> × 6431392860517903090849<22> × 472286706064064294087273<24> × 33254690631146949645587326561<29> × 4430757248453554538205169758253729<34> × 371594497012307122206563400664091814300597112516055878595413184346251246220740639176204321<90> × 642640210245627272044120905856224147366773985779841910146025081505213199290428234263593623772489470886318772630023886571587513017006274935542286828908297271923411329454598140534488762460794364807145200659527318919299620630518063205020737<237> |