Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 395: | \[{15^{395}-1\over14}\] | 11 × 317 × 4931 × 14221 × 289141 × 2866933116191<13> × 3168724088143764667211<22> × 4411764107600146667464882478017302143041<40> × 635202924304143926394929553206270861232915983823448379207983060226587253234146827953<84> × [14277947075896068375412782871551315407264550199399757072203726837113020747442205231857943865448639438885560636068349754612171639776238368196714364244550715830418949638208017609181878446778356545168649817505128448374828566623142455739039261270392708995527713410729369889404372357612335942001<290>] |