Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 546: | \[{18^{546}-1\over17}\] | 74 × 19 × 43 × 79 × 131 × 307 × 449 × 521 × 547 × 2081 × 8009 × 16927 × 21841 × 46747 × 80207 × 2618617 × 5936659 × 17670017 × 32222107 × 61410259 × 213834713 × 607371619 × 4020180841 × 7424759473<10> × 29759719289<11> × 107888439023<12> × 156107192084257<15> × 170258429679493134487<21> × 1412364383703504438982118048251<31> × 112783140426793842497796523520005671676041864614571928332291203413609<69> × 119941938141663914560035192594531172177434180409487272285332931752751273<72> × [61877657248338322766687993110012972818958613488205256133232565190958921168485376848862248499410017406615197858402672849754213201074376438140097664983125832668999811<164>] × 359260814189773531620491945236157341040255562668193879928254035212354363284846624020165848111455399174041838652490606891299571212196336513540556136150011287447375468385739434313<177> |