Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 259: | \[{17^{259}-1\over16}\] | 149 × 223 × 25646167 × 1016919604559540581<19> × 347969805104703139079<21> × 6218882581209875638403<22> × 8761551828023975947163<22> × [18472066603107160385173413126157124515112665685822474739977772585781336698837409988536904025340733427085509911860463322486615966803518600757664571140112169432179957623161747203378715825508927925749974298188596724989373079253<224>] |