Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 475: | \[{10^{475}-1\over9}\] | 41 × 191 × 271 × 21401 × 25601 × 59281 × 63841 × 433201 × 16891951 × 182521213001<12> × 1111111111111111111<19> × 34261457162552911201<20> × 1289981231950849543985493631<28> × 965194617121640791456070347951751<33> × [3988600723927651280501246958821468841281016838969124532919502977026430907348842518977695096885306454162100678454343504173568602489714058807305859661113906522437195119353296934624783760787993083287034820496138782256331921127640494382306452517162141375484665614897129683966431549946359898422257966537528658965073513606824023441151<328>] |