Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 955: | \[{4^{955}-1\over3}\] | 11 × 31 × 383 × 17191 × 91259801 × 1645375231 × 7068569257<10> × 39940132241<11> × 332584516519201<15> × 2766037497160081<16> × 87274497124602996457<20> × 385888918596723595535405951<27> × 1046183622564446793972631570534611069350392574077339085483<58> × 19354275048153085260502985763801078164890953285078303467480611<62> × 38958796555027596194834220569683521938514173251237621993999866030334910251<74> × 4229446125490357176066452360993989138464237773415805870583988716154685806357331<79> × 3142295859237887574517465251257181025776306336297243853834092135426385319513793789633063161707962287850723375352105912423773675652592693020672335146504260707272002403750063859026161<181> |