Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 375: | \[{18^{375}-1\over17}\] | 73 × 31 × 41 × 151 × 601 × 751 × 2711 × 558721 × 602401 × 106487551 × 74813517001<11> × 78180455401<11> × 21162386787273369601<20> × 36775924395863544366841001<26> × 129278406971133461403718040401<30> × 122378983316662586314901626364039311112246588670852928799085901921007069381675550069202001<90> × [150959720705127303256048058546126671240194918730103098031333159287718366331599513127080699837429498478312632566286138832643581181643975137515124402229075545526431414704824524374881095185355837148521801553070835065704238240349450531745028926992116751<249>] |