Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 640: | \[{14^{640}-1\over13}\] | 3 × 52 × 11 × 17 × 41 × 71 × 101 × 193 × 197 × 641 × 937 × 1061 × 3761 × 4241 × 5393 × 7489 × 14401 × 16097 × 32801 × 37441 × 61001 × 698521 × 859841 × 1383881 × 51111761 × 825039041 × 1204905857 × 1667461121 × 8633886977<10> × 315256811699009<15> × 11284732320255809<17> × 4512009924863657921<19> × 117686299357503737281<21> × 121498896182265962008321<24> × 1355671197066156221653681<25> × 631437852270580200329442665220681951861601<42> × 226497892220593572671057740469513143585953972966721<51> × 2606081085678013851659434100378777002828326851013303788215883521<64> × 15388233449018435152224805091168918241711217959559119907458768376321<68> × [2109622755032541445805146685506528918163430708898610677896291509998497008336026121873147113407198607669927579752065768662921969327390751691469122201586023513072397662032174043630760029640324360243279750857332653869019444704598827718516770568175224022311386288807702524161<271>] |