Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 465: | \[{28^{465}-1\over27}\] | 3 × 312 × 271 × 311 × 373 × 1117 × 5581 × 10789 × 15991 × 637421 × 734941 × 1675799 × 2564321 × 14307617 × 397274611 × 104175305182941687128096479<27> × 416524723519646267659397583333812081<36> × 9751283154942605850592828466642659513447<40> × 160281583784620677280319713020603382697107<42> × 192862818423813730952021099305030832126612640341<48> × 3095598401186987200227892960677796797777417549162703461189200777850001<70> × 6955691085466210148491270988964435718886085747779884425051358553260390576336891440929438280218905257813741251856620464703911934115129463294168779798353551529592215556824292086222425814896594423221388352197455812417375177474004922963049080211733621248408747701673176286267527435121449226491508517956476556571142363228365334539756211409356203708211<346> |