Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 530: | \[{8^{530}-1\over7}\] | 32 × 11 × 31 × 107 × 151 × 331 × 6043 × 6361 × 6679 × 69431 × 8088331 × 13960201 × 20394401 × 381199321 × 540701761 × 29324808311<11> × 229890275929<12> × 28059810762433<14> × 197748738449921<15> × 107814999632867521<18> × 746485083287310097651<21> × 593783678966863030035641<24> × 4475130366518102084427698737<28> × 36614110124735294634435619027766763481<38> × 1007715965875748226745472989687556259131<40> × 527446984991172193539137457584264930155083999307210552218163127929738891<72> × 286907046163163757424486835141888954626079914425458195174373438200921939344176261145611475682317574468979232833614978133229351<126> |