Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 512: | \[{13^{512}-1\over12}\] | 29 × 5 × 7 × 17 × 193 × 257 × 1601 × 2657 × 10433 × 14281 × 96769 × 441281 × 2940673 × 3230593 × 283763713 × 407865361 × 40005155116033<14> × 32235729015909373441<20> × 36713826768408543617<20> × 68675120456139881482562689<26> × 4259253269072714801332584491009<31> × 37683787949825168421085403563145888257<38> × 3215877717636198473712500018174097551256193<43> × 67536120924735951516345457060094012820258764442154891883391212189471888997555709868450756307490347724768564292389027527834924029953<131> × [3568837085257085726824324669332592915896684118818002242725852271403699379973925779342112031319428799393062121644906533510640858417589809041565976926535365031587312322325198092302028289<184>] |