Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 119: | \[{28^{119}-1\over27}\] | 113 × 953 × 2381 × 336533 × 4422461 × 865411793 × 1676112251373701<16> × 44211612789526421<17> × 176991400091091853<18> × 653386914001297841<18> × 148020807352107352204781<24> × 9208413547092739531146589<25> × 156360521144213633542055069<27> |