Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 500: | \[{25^{500}-1\over24}\] | 22 × 11 × 13 × 41 × 71 × 101 × 241 × 251 × 313 × 401 × 521 × 1901 × 3001 × 4001 × 9161 × 132001 × 239201 × 776401 × 3597751 × 9384251 × 28707251 × 424256201 × 632133361 × 50150933101<11> × 4032808198751<13> × 20918327356001<14> × 89620825374601<14> × 767186663625251<15> × 51204738027593108331001<23> × 139463359848327184507854001<27> × 24687045214139234043375683501<29> × 201729070811027930976007420652223887947601<42> × 51336267539863487576798868866296350032791001<44> × 4499887440357562679812784624619579446140036505018615101058738752309285176028933570765644073662329699272129589298001<115> × 294993879307086454684089971598493165675537163955430052730421123490276199084012969580839499939420533151899808181903915222992001<126> × 62230152778611417071440640537801241705253289524803135869146374502938930588831915683699616470008647052536332466843305155634880065917968750001<140> |