Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 525: | \[{8^{525}-1\over7}\] | 7 × 31 × 71 × 73 × 127 × 151 × 337 × 601 × 631 × 1801 × 4201 × 7351 × 23311 × 29191 × 39551 × 92737 × 100801 × 106681 × 115201 × 122921 × 152041 × 617401 × 649657 × 870031 × 983431 × 10567201 × 60816001 × 82013401 × 181165951 × 1348206751 × 32758188751<11> × 13861369826299351<17> × 76641458269269601<17> × 535347624791488552837151<24> × 29728307155963706810228435378401<32> × 764384916291005220555242939647951<33> × 325985508875527587669607097222667557116221139090131514801<57> × 745832506848141808511611576240568244832258614550704416204357517716551<69> × 46988139879538892325015289211281843797083431443099045770269959929002737021425551<80> |