Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 477: | \[{19^{477}-1\over18}\] | 32 × 107 × 127 × 523 × 29989 × 146917 × 1226209 × 87097657 × 4739153047<10> × 323930821687153<15> × 4086918000521042669809<22> × 2551089855701675251204783<25> × 37334173314913678536474517<26> × 4480114312426490346765956323940058045092900993585044625434355666103979771820419821782239<88> × [6367781070679767874533751863688602142120338484097877066433988565942260576717701556653092861776061820535793514702468524401747300862703153162300548351433966570625632424795449451213378373663531635781619801427615496700126569022651326149016668184640706917723853141573973154715956053136623326270727172536769804940234253610177758259002556855069272813594866004321616198340832634975074785201477330795293<394>] |