Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
259: | \[{6^{259}-1\over5}\] | 149 × 7919 × 12211 × 55987 × 2569799 × 2458852243 × 334286825813<12> × 128241016566344721609490367365530205308828951059763735701191925429688386832869<78> × 3182225886333619001358983270028222436018313666750110815637909241872418231328999173<82> |