Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 666: | \[{16^{666}-1\over15}\] | 32 × 7 × 13 × 17 × 19 × 372 × 73 × 109 × 149 × 223 × 241 × 433 × 593 × 1777 × 1999 × 3109 × 3331 × 10657 × 17539 × 38737 × 92353 × 126097 × 169831 × 304363 × 321679 × 532801 × 854257 × 1238761 × 8271721 × 13441213 × 25781083 × 26295457 × 36085879 × 184481113 × 199381087 × 231769777 × 319020217 × 616318177 × 1398316729 × 4345052821<10> × 11734408513<11> × 449818591141<12> × 698962539799<12> × 1235389890817<13> × 9853387597819<13> × 107775231312019<15> × 31031320083857011<17> × 4096460559560875111<19> × 85337232196804809313<20> × 194674402491792252193<21> × 1453030298001690873541<22> × 1270593144646505233013326197403<31> × 1236405128000120870775846228354119184397<40> × 20988936657440586486151264256610222593863921<44> × 25289878266790579936755261055167727601997001<44> × 1167921844796930836978129504180973017018182961<46> × 1630237467796809977790817491807984304216663830254914681795310995786439984947393<79> × 5206023843042368828948469967581116653119972886063463598059440618656261423406957878030082757868051560812718615018423556212282799162532636923236768206294301696257<160> |