Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 446: | \[{12^{446}-1\over11}\] | 13 × 1423187 × 23385119 × 14130288853<11> × 2672516856853<13> × 43954882455277<14> × 1006249991892868346686216789<28> × 19859100720114474489313113637071961221480928125150209606330532671794286629560670273390015066456652858961995332831089216156374156651327679662341127236084513886709549800811845341<176> × 130783833495398687195410896356299715795888890265595510218518582077765364818545016790677956582251424616142182696841017297470173232486251703642119565260178560531271742433944440307591670276880933557471882421663816732495290913637361<228> |