Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 749: | \[{5^{749}-1\over4}\] | 1499 × 6421 × 19531 × 81163139 × 2379056191 × 5486016363791<13> × 35411885288978941<17> × 172163150940018661<18> × 717433171088016374418821<24> × [9692886692621285183047842456979986863927848492820589745364108675743025756168271467637636612280861553190031186239850675391458612396157690874243106473791428927461995180159992118121586659201329546959602309175847129510714021368512596946725285858917892252849582282706101873381899757129761059616122102815338402567580837913711467242876970419555321564033668768456241062158510130810227614975581045260754039028595756092768731358181671<424>] |