Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 224: | \[{3^{224}-1\over2}\] | 26 × 5 × 17 × 29 × 41 × 113 × 193 × 547 × 1093 × 14561 × 16493 × 19489 × 45697 × 101921 × 430697 × 643553 × 647753 × 21523361 × 67765601 × 378369377 × 5685756833<10> × 36214795668330833<17> |