Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 628: | \[{3^{628}-1\over2}\] | 23 × 5 × 9421 × 11933 × 252457 × 852197 × 1908149741 × 3381925092493<13> × 159420524134654609<18> × 9891109125337566719<19> × 893695725392680413744461<24> × 32129434337475049222622287<26> × 156438005527933564247063011<27> × 1283810768507270931382867729773882314783<40> × 9669952353679047877391540252082821855680739202577469<52> × 390443208279243165020247585684728449864784429662703213<54> |