Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 670: | \[{10^{670}-1\over9}\] | 11 × 41 × 271 × 2011 × 9091 × 161471 × 493121 × 248807851 × 7261216121<10> × 50473006151<11> × 8480807579201<13> × 79863595778924342083<20> × 164168826950706906612751<24> × 28213380943176667001263153660999177245677<41> × 909090909090909090909090909090909090909090909090909090909090909091<66> × 79316810320826272245205613939164532834206461136773896872006215617749609871775188930985694390393129958815657124430654484447596668211105105192525555756262911579932384938403655828192598168989286199497692373194219521<212> × 302763019793435602569276039549096923630299122171140405303248730561741324305632792351835552866724155290700915085510738521559595248967375329278966176208018813174111240588000435579287968883246599299199382818469156370627492652751047813638818869931<243> |