Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 580: | \[{7^{580}-1\over6}\] | 24 × 53 × 11 × 59 × 191 × 233 × 281 × 1741 × 2801 × 4021 × 4899841 × 127540261 × 136853089 × 227327521 × 47137463621<11> × 55716067510309<14> × 71316922984999<14> × 156998159690501<15> × 116714640028973541741413<24> × 402488219476647465854701<24> × 277463632645667965008782910911<30> × 417686802890095486149791834048621<33> × 28227438998743999270303330624662217730888039289619786090751<59> × 225058061203225404048432655287882105672359391493182864666093306256896642098735173627681<87> × 380035869533328664400618084047681846513261247427097862950144383394353587806640129268457201266680349961471079010005411363217337121<129> |