Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 600: | \[{15^{600}-1\over14}\] | 26 × 11 × 13 × 17 × 31 × 41 × 61 × 101 × 113 × 151 × 211 × 241 × 601 × 1201 × 1489 × 1531 × 1801 × 3877 × 4931 × 17761 × 19231 × 19421 × 20101 × 28201 × 33601 × 44101 × 46751 × 57601 × 115201 × 131381 × 142111 × 278041 × 712651 × 2080801 × 5062201 × 9555151 × 19292401 × 39225301 × 706195561 × 2414458561 × 2562840001 × 3100294801 × 45607597201<11> × 133390439104361<15> × 316091724098401<15> × 1871829377368801<16> × 34800625873379851<17> × 7112705843777290751<19> × 11462542089631773001<20> × 2211967376723264172601<22> × 1006101271862820362016481<25> × 1347970508807317602142601<25> × 17402794883183351929087891501<29> × 5276658969583784209292870346873232901<37> × 1052183599639933063556404430278700776333623623811001<52> × 9070272476798040556039863436042596764887469094578088096932337706617401<70> × 30399607359387775057994771536986574405521016624947617814054054795630905233513118265250718821720122658209041143909452628407012664668297187196755335349102976401<158> |