Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 660: | \[{12^{660}-1\over11}\] | 52 × 7 × 11 × 13 × 19 × 23 × 29 × 31 × 61 × 67 × 157 × 199 × 331 × 421 × 661 × 1321 × 1453 × 2377 × 3697 × 5281 × 5479 × 6271 × 6337 × 9781 × 19141 × 20593 × 22621 × 35671 × 55441 × 89101 × 109297 × 219649 × 234961 × 886381 × 1717321 × 5999137 × 85403261 × 266981089 × 661269577 × 1094369431 × 39105782299<11> × 57154490053<11> × 68368660537<11> × 190966927558661<15> × 442434513819541<15> × 475350812105401<15> × 2070234581811001<16> × 164018234982236911<18> × 186168115009253521<18> × 46768482029635739671<20> × 3124194314678732463656071<25> × 5766308324790114380136001<25> × 358976694345244191509108377<27> × 239487931047550108452933707161<30> × 714963871956633076849806274381622881<36> × 531906313625886071128365034389959938134121<42> × 495473987180157340676069207266295695627847985005270254273529924740994821<72> × 1139061132901522607146029344764531527911907221461192210036964536151488541<73> × 9355089003088262686466854446831036287365826796749956414962623125546074160053460609801<85> |