Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 496: | \[{13^{496}-1\over12}\] | 24 × 5 × 7 × 17 × 311 × 373 × 1117 × 1489 × 1861 × 2729 × 5953 × 14281 × 1178621 × 48534593 × 111072257 × 145831193 × 407865361 × 245605265431553<15> × 189616769827415561<18> × 304200083494791049<18> × 16389023943543602257<20> × 111109852618983753193<21> × 8170509011431363408568150369<28> × 576918426137514613314253213249<30> × 7354368745664066834443629726061640331823405716593279250796497002207148962942404350187813537<91> × [1019849998456524673378465537306686232179660746990374765650348527585132213463156578803201192330424460930064269583667673284706325308375984959188922112310931622767214630636109030469401842714909810768122817269583497770201805198231662962443233986792401<247>] |