Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 390: | \[{13^{390}-1\over12}\] | 2 × 3 × 7 × 11 × 31 × 53 × 61 × 79 × 131 × 157 × 1093 × 1171 × 2411 × 4603 × 4651 × 13417 × 16381 × 20333 × 21841 × 30941 × 70981 × 79301 × 156131 × 161971 × 264031 × 1302991 × 1803647 × 8078071 × 28325071 × 56253601 × 743408641 × 57745124662681<14> × 5234176303106791<16> × 3808876542352598861<19> × 71442881968439190301<20> × 158943831041162255277151<24> × 584288727345658049575114801<27> × 2794855972087224486028011777601<31> × 5085423411603888410443263272201<31> × 14597895236537346352478769672751<32> × 1136145167072086485187261065449745896425808465022428409603349448059115670562518619095743802997105612621<103> |