Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 284: | \[{17^{284}-1\over16}\] | 22 × 32 × 5 × 29 × 569 × 6959 × 329853647 × 314477853267581<15> × 3353052005080219157<19> × 482804827760763827720393403881<30> × 55684302756949172055559448898572835958278744159529893148390882844356229681<74> × 143798195172461138521036839345269251740737334259640879028155379795667047030720519999127<87> × 63013646433204339593601875581326951136436200551670533734034779201248939264976585129849002980132376360919617<107> |