Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 646: | \[{3^{646}-1\over2}\] | 22 × 103 × 307 × 647 × 1021 × 1597 × 1871 × 2851 × 34511 × 101917 × 363889 × 1600789 × 39039719 × 122985481 × 371973907 × 521988673 × 29134285181591<14> × 7838445147111847<16> × 228305540799690255462485437<27> × 1848212935645687272656073991399<31> × 4348448310897886515372957809099004517231<40> × 145774205091243248788288698285520297797062666607670976770953618247557290711362071955053996647333431708403483<108> |