Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 377: | \[{15^{377}-1\over14}\] | 53 × 59 × 157483 × 16655159 × 28526578133<11> × 54462651283<11> × 41365433326387<14> × 11317187520897195380284817<26> × 15476275967141572773889537007699<32> × [188354183320348141189234367179436478740865068813448926429980696887460313438770865569703350600351758173952734698336173166638370971308097912364974519438579632713332558028767497619135487111009477514925896698405725023514170767776074583703382944382537001861542295523485543726420544575611538655036471236600672690008575230937177188648579584581<336>] |