Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 690: | \[{15^{690}-1\over14}\] | 24 × 11 × 31 × 47 × 61 × 139 × 211 × 241 × 691 × 829 × 967 × 1151 × 1381 × 1531 × 4931 × 6211 × 6257 × 19231 × 31741 × 53591 × 81421 × 100511 × 142111 × 325681 × 825287 × 2657191 × 8212381 × 9935311 × 10675681 × 35626081 × 39225301 × 44609881 × 434956681 × 2083752851 × 3549551867 × 12203077111<11> × 80732172121<11> × 707110537201<12> × 740265963181<12> × 4088280880261<13> × 26401020086191<14> × 44799439525501<14> × 376301475193381<15> × 3046462151831565769<19> × 47259785976796262161<20> × 174182259431702075971<21> × 8264999210340600150541<22> × 42460920908092999453501<23> × 153908199071740625749971976183<30> × 1563626309791841824241072569771<31> × 232643509369965199034945859843121<33> × 17616646658610304480313635124812321<35> × 705786845852111541108444074560195096202278621<45> × 12397107244758440360027563581770658452147792101<47> × 31096175767640183484106599269134482322375555399<47> × 711104837955560706904836456934775772539647761695046908521<57> × 10644879370700758599314034130069301427663517906526477650185984589059610331150430978438530770567429777648822328441792054574232561<128> |