Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 575: | \[{15^{575}-1\over14}\] | 11 × 829 × 1151 × 4931 × 31741 × 34501 × 46751 × 53591 × 100511 × 1029251 × 2083752851 × 740265963181<12> × 4088280880261<13> × 3046462151831565769<19> × 7112705843777290751<19> × 42460920908092999453501<23> × 17616646658610304480313635124812321<35> × [850747010809660666192460289723093246239264678939652302527603400561610401901877862876476859764211541905192866335549435651648491469459444683391975126762054724891225185519873944263296698633232113662168450619276614233059619735902734806462794013066984603773469640689162512140747070558738166522451569109334923121339468890458447465213278737515030501716325334155812254913341317537142679640163582271848416886119159684910166128610995576169854443124691663077779271344996807178648325713774002272177057032628083730848751<507>] |