Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 518: | \[{17^{518}-1\over16}\] | 2 × 32 × 149 × 223 × 1481 × 2591 × 22796593 × 25646167 × 172683287783<12> × 933109134066313<15> × 1016919604559540581<19> × 347969805104703139079<21> × 6218882581209875638403<22> × 8761551828023975947163<22> × 281880352305551730895009697<27> × [18472066603107160385173413126157124515112665685822474739977772585781336698837409988536904025340733427085509911860463322486615966803518600757664571140112169432179957623161747203378715825508927925749974298188596724989373079253<224>] × [67898184133577654072237346655541416263131992467996699609974528702602645240534159546471482824349860071642347669791662901604774775396558082832423698436811564398188914238084685073787352127333068237492327789753283427080190466639048149752857556443476461177<251>] |