Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 385: | \[{13^{385}-1\over12}\] | 23 × 211 × 419 × 859 × 2861 × 18041 × 30941 × 5229043 × 3357897971 × 19147683771371<14> × 707179356161321<15> × 2088886107344191<16> × 13545148572117361<17> × 624958606550654822293<21> × 8603427927040724342317061<25> × 10138828706452319901511087969019211193701892213<47> × [60135991435104357405160467562470901350863033763627048243972123312616695322289403279977488210421156487620098168663601227819016235245136110152463703879151810021328448209834798511274595897685223821435767456434728510826867944028697611277595101<239>] |