Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 153: | \[{23^{153}-1\over22}\] | 7 × 19 × 79 × 103 × 23869 × 42331 × 7792003 × 189909327709<12> × 62246266355102810647<20> × 2820969191101751999389<22> × 40333150102393233358849567<26> × 849890089913739257948662758708499908691<39> × 103132502319962484398777650162576211676089460557160120674080550638387<69> |