Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 135: | 33 × 192 × 31 × 271 × 541 × 811 × 15991 × 444979 × 637421 × 734941 × 48403441 × 5220455384797651<16> × 91140307249283821<17> × 68948693997660959163751<23> × 1114029602365666612314868561<28> × 406385801136251056203404767327746977944898798686435295642111734855861<69> |