Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 476: | \[{25^{476}-1\over24}\] | 22 × 13 × 29 × 137 × 239 × 313 × 409 × 449 × 953 × 1429 × 1973 × 2381 × 3061 × 4999 × 19531 × 20129 × 25229 × 45289 × 623017 × 4172141 × 41540861 × 234750601 × 466344409 × 12447002677<11> × 938894988049<12> × 1361753880209<13> × 4959636586609<13> × 59509429687890001<17> × 121008044805780049<18> × 2237307921069778921841<22> × 7497182681291140146079<22> × 788868477693980100643230089490226571<36> × 60433492605929799024858062086345509864222351309382109<53> × 329466886273185603920929243056323831211539643728650902949159094286673492784518024190831497916000648073283311761<111> × 74053981202287247997566808814059629473393915891803581711148577403834011144005362915406259110375202349726764998161<113> × 669047673587900220589672800313683958799097473809905710356651366238402912556808108181670888100614463483239461132869802059863344202125251753<138> |