Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 43: | \[{28^{43}-1\over27}\] | 3613 × 60029 × 684217 × 105942074311<12> × 23321405465263<14> × 17068111104046291434149<23> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 43: | \[{28^{43}-1\over27}\] | 3613 × 60029 × 684217 × 105942074311<12> × 23321405465263<14> × 17068111104046291434149<23> |