Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 483: | \[{4^{483}-1\over3}\] | 3 × 72 × 43 × 47 × 127 × 139 × 337 × 967 × 1289 × 5419 × 178481 × 2796203 × 3188767 × 18423553 × 172384633 × 45076044553<11> × 168749965921<12> × 10052678938039<14> × 14808607715315782481<20> × 1186694555374004016103<22> × 245641050541016665188014626987<30> × 8103467492759792327149800361564410265219<40> × 14122560700459482493165563202458351462799<41> × 91213423835914289025597837774887518459245610297993<50> |