Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 67: | \[{10^{67}-1\over9}\] | 493121 × 79863595778924342083<20> × 28213380943176667001263153660999177245677<41> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 67: | \[{10^{67}-1\over9}\] | 493121 × 79863595778924342083<20> × 28213380943176667001263153660999177245677<41> |