Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 436: | \[{15^{436}-1\over14}\] | 25 × 113 × 1091 × 5669 × 951571 × 13314787 × 55037834777<11> × 12210400864955756334357543791<29> × 32608965128223009151525235911<29> × 2103082538500878847141406285492297<34> × 7214058133190348510797044416367276209047<40> × 12629023261749432772542689849981693277436531<44> × 8724703319150532263995205786459299524404002914049<49> × 24927531678562414075571437310245559557915803620851<50> × [164725911862402407984780428382035912506634829049803926681594978335720037435106808081523754003166634336424079579622976352693263005845611259521699297155203598369739426773211426215184010354477964261535436894541<207>] |