Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 207: | \[{29^{207}-1\over28}\] | 13 × 67 × 139 × 14437 × 41203 × 59617 × 57464857 × 131327761273<12> × 2080682416998529651<19> × 1173922372300235340427<22> × 31515531746853275058961<23> × 35692706120603661111500837522209<32> × 153912874105237767355544773738256170456912399898057768858434219<63> × 1356549215286681500700527593885832150359969418124258129283311294527934338357200653862627922585846934910056091<109> |