Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 625: | \[{8^{625}-1\over7}\] | 31 × 151 × 601 × 751 × 1801 × 33751 × 100801 × 10567201 × 9406845001<10> × 253190598751<12> × 269089806001<12> × 1277297679372570001<19> × 4710883168879506001<19> × 331053400941739132863751<24> × 573759820507018639639785001<27> × 18152902839291497575027462639977160832701118299213751<53> × 246053469753590746981511859818675718355368494592178751<54> × 2139731020464054092520609592459940706818275139793055476751<58> × [402642302894726834176153754251902810932160169321848471644984896163427692234247405464830106086854621172417270508730683047461533218061965505023433356219240919366862072855430077049245980231286626565578296056952220360472542883678847838068343346551947983751<252>] |