Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 207: | \[{16^{207}-1\over15}\] | 32 × 7 × 13 × 19 × 37 × 47 × 73 × 109 × 139 × 277 × 829 × 1013 × 1657 × 3313 × 18217 × 30269 × 79903 × 178481 × 318781 × 853669 × 2796203 × 6542857 × 634569679 × 26785337149<11> × 168749965921<12> × 2232578641663<13> × 5415624023749<13> × 10052678938039<14> × 42166482463639<14> × 70334392823809<14> × 25395382141805460457<20> × 496817081109150685921<21> × 6113142872404227834840443898241613032969<40> |