Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 320: | \[{10^{320}-1\over9}\] | 11 × 17 × 41 × 73 × 101 × 137 × 271 × 353 × 449 × 641 × 1409 × 3541 × 9091 × 19841 × 27961 × 69857 × 976193 × 1634881 × 1676321 × 5070721 × 5882353 × 6187457 × 18453761 × 5964848081<10> × 947147262401<12> × 834427406578561<15> × 19721061166646717498359681<26> × 349954396040122577928041596214187605761<39> × 99999999999999999999999999999999000000000000000000000000000000009999999999999999999999999999999900000000000000000000000000000001<128> |