Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 112: | \[{28^{112}-1\over27}\] | 5 × 17 × 29 × 113 × 157 × 281 × 449 × 7841 × 13007 × 23633 × 35771 × 614657 × 749729 × 4422461 × 54034289 × 213827041 × 1100860153 × 22223646961<11> × 439840060577<12> × 370863464090417870163498589335663617549081876590186498506393535841<66> |