Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 130: | \[{22^{130}-1\over21}\] | 23 × 79 × 131 × 521 × 2003 × 224071 × 245411 × 330331 × 3702791 × 85107437663<11> × 37987538607331<14> × 59512246816751<14> × 1169669660009891<16> × 3198633375097421<16> × 12296089473177511<17> × 845519607896833262105301031<27> × 1246501206961265681019957871<28> |