Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 342: | \[{8^{342}-1\over7}\] | 34 × 192 × 73 × 571 × 32377 × 57457 × 87211 × 144667 × 174763 × 262657 × 524287 × 1212847 × 1465129 × 93507247 × 160465489 × 35473416481<11> × 121323854647<12> × 2237717449946593<16> × 3042645634792541312037847<25> × 19177458387940268116349766612211<32> × 61641347592475860688686002670152525762503468748858717047<56> × 161555093850212199391812126981496731249345737925214473004217031351732271791913705533403<87> |