Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
215: | \[{13^{215}-1\over12}\] | 30941 × 119627 × 1395397213914606731<19> × 552781743698966779174737704265497702530829<42> × 395967991387518544734249831334140829739650635262858448312431<60> × 23193394706110281943096601371029891959911217690368383404881133505473492431712515705098592032397032859834607261<110> |