Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 518: | \[{6^{518}-1\over5}\] | 72 × 29 × 149 × 197 × 3923 × 7919 × 12211 × 55987 × 2569799 × 334868353 × 2458852243 × 334286825813<12> × 1096762734443<13> × 2054788991719<13> × 42555528171653758816503341<26> × 128241016566344721609490367365530205308828951059763735701191925429688386832869<78> × 3182225886333619001358983270028222436018313666750110815637909241872418231328999173<82> × 98579186492333625954435224253627022245898135356439300121947982999171079897777240769359569922211424043189484547446116554247104349582467<134> |