Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 280: | \[{12^{280}-1\over11}\] | 52 × 13 × 29 × 41 × 71 × 89 × 211 × 233 × 281 × 491 × 521 × 659 × 673 × 4943 × 12041 × 13063 × 19141 × 22621 × 127921 × 806821 × 6089651 × 67657441 × 71874601 × 85403261 × 425455031 × 10365509281<11> × 13156924369<11> × 1612092376073761<16> × 5298455664688950121<19> × 79493013628273739882868481<26> × 86121235964912696227980301<26> × 11804611204029718970962415686250681520994417241224105601628576315783281746660664370152316282016801<98> |