Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 57: | \[{10^{57}-1\over9}\] | 3 × 37 × 21319 × 10749631 × 1111111111111111111<19> × 3931123022305129377976519<25> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 57: | \[{10^{57}-1\over9}\] | 3 × 37 × 21319 × 10749631 × 1111111111111111111<19> × 3931123022305129377976519<25> |