Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 620: | \[{13^{620}-1\over12}\] | 22 × 52 × 7 × 11 × 17 × 311 × 373 × 421 × 601 × 641 × 1117 × 1861 × 2411 × 2729 × 24181 × 30941 × 1178621 × 3675361 × 11268811 × 48534593 × 145831193 × 679654541 × 42277560371<11> × 77305590941<11> × 100860853831<12> × 46458503064581<14> × 151091386477111<15> × 13496217990809681<17> × 16389023943543602257<20> × 111109852618983753193<21> × 44630257194378716844161<23> × 100889415553845820735921<24> × 8170509011431363408568150369<28> × 576918426137514613314253213249<30> × 48399663217419275297532834576972411497382021264802012026011<59> × 92004248303020993526196675121322092347425884048347942211823998841588752301090095079051<86> × 11565585951901520574573187857469040735685052108917711420418156488170889207132367093226762401324699323945443285146550272569660623542492278250533220265575779303883557493481211032949385849411655176351970019432078095763207983737564672318546601161<242> |