Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 228: | \[{10^{228}-1\over9}\] | 3 × 7 × 11 × 13 × 37 × 101 × 229 × 2281 × 4789 × 9901 × 21319 × 1458973 × 10749631 × 304077901 × 52875286008709<14> × 722817036322379041<18> × 739653893349540289<18> × 909090909090909091<18> × 1111111111111111111<19> × 1369778187490592461<19> × 33950736420661075851541<23> × 3931123022305129377976519<25> × 753201806271328462547977919407<30> |