Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 512: | \[{19^{512}-1\over18}\] | 210 × 5 × 17 × 97 × 181 × 257 × 3833 × 15073 × 36097 × 87553 × 151681 × 563377 × 23258113 × 136816129 × 295667201 × 154119510782977<15> × 3774134952401921<16> × 33225725139813889<17> × 1486811410142377153<19> × 754656840241231034881<21> × 12318752177608821548801<23> × 80619774338205118858884622849<29> × 315989504252280687606137174469121<33> × 274254682725217636458847635846091201<36> × 3465657707570606956932512392503718320001<40> × 2205818653908661229962960742706809709910922744924585347516359369103193724891425343742117116673<94> × [3559570483300144388505078138454523513925125380342557089477037878361687482784404235775752829864001284281346027813251676434002438475940803630790897562726821804688446912653344449843492857114490420381986780854281048582813354251750465201223797916121604976129<253>] |