Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 260: | \[{22^{260}-1\over21}\] | 52 × 23 × 53 × 79 × 97 × 131 × 181 × 401 × 521 × 2003 × 2861 × 150901 × 224071 × 245411 × 330331 × 498733 × 3702791 × 85107437663<11> × 2468996151857<13> × 2526873929581<13> × 37987538607331<14> × 59512246816751<14> × 1169669660009891<16> × 3198633375097421<16> × 12296089473177511<17> × 845519607896833262105301031<27> × 1246501206961265681019957871<28> × 21692853925649864187972312839672186980081<41> × 12040352070297313655339624149169950205713696764251354629033334180144322179920724935721<86> |