Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 608: | \[{13^{608}-1\over12}\] | 25 × 5 × 7 × 17 × 229 × 761 × 2281 × 2657 × 14281 × 94621 × 441281 × 692513 × 12865927 × 283763713 × 407865361 × 9468940004449<13> × 62300665486585624081<20> × 104422877883960436477<21> × 41992310940026758181989710721<29> × 580196961910046805312944783240761<33> × 87382843187702305332688326868088801<35> × 2135382121254983685021572341095722302254446826817<49> × 25576595299187237548469162300852512163389290609871392494033090315888479489187032222725253399800135952303175157306357208481522303885436089122967951002350477038881<161> × 178274619209526312173184006144860254637997356984214445638334833616526112979155656142351504726836756116118641029363384621537165071805359904500799202950594561319203516615909296275313271953602548393866646756757346478871440828974231120611853289284578536353455841<258> |