Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 252: | \[{3^{252}-1\over2}\] | 23 × 5 × 72 × 13 × 19 × 29 × 37 × 43 × 73 × 127 × 547 × 757 × 883 × 1093 × 2269 × 2521 × 2857 × 16493 × 368089 × 530713 × 1180369 × 109688713 × 550554229 × 475110761833<12> × 40226570408250073<17> × 144542918285300809<18> |