Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 285: | \[{10^{285}-1\over9}\] | 3 × 31 × 37 × 41 × 191 × 271 × 21319 × 59281 × 63841 × 2906161 × 10749631 × 1111111111111111111<19> × 3931123022305129377976519<25> × 1289981231950849543985493631<28> × 18449288550044654139241919401<29> × 965194617121640791456070347951751<33> × 844267447094321323435601792968017601<36> × 219414044208440803345204019137889332111<39> × 324783939894016192422708375439566497511001<42> |