Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 312: | \[{15^{312}-1\over14}\] | 26 × 132 × 17 × 53 × 79 × 113 × 157 × 211 × 241 × 313 × 937 × 1249 × 1489 × 3877 × 11909 × 15289 × 15601 × 16433 × 18617 × 20749 × 157483 × 786553 × 5557501 × 16655159 × 30313817 × 67819753 × 151747597 × 2562840001 × 1539711288259<13> × 12833766874934773<17> × 14685091347707873<17> × 606451512892729597861<21> × 3230061048592350229141<22> × 45559363632313971113220889213<29> × 24533935088352456090993589892052329<35> × 4037656005166241231720761364023399656138767638009015942259197106140716749624722947235785768366102457<100> |