Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 310: | \[{15^{310}-1\over14}\] | 24 × 11 × 312 × 311 × 1531 × 1861 × 4931 × 5581 × 958459 × 12871001296201<14> × 1179145519632511<16> × 14572134604887829<17> × 23101103879706781<17> × 2680375722923963821<19> × 530788252571672548054451<24> × 660603097954354915026956925328631<33> × 7796596693066108353768510939297706833721<40> × 6879022048891933664493038234937096016443431299080285798525470822702228981159231<79> × 2718934196155269510555392356657808940525408488924074244124311145808723525426158421<82> |