Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 741: | \[{5^{741}-1\over4}\] | 31 × 79 × 191 × 6271 × 29641 × 3981071 × 305175781 × 116262877771<12> × 608459012088799<15> × 946317368175660079<18> × 11735415506748076408140121<26> × 893134065430622331883159985777080426121<39> × 73264607998188798376620748253610482190769<41> × 3916581678566130795968630368428499724365376308585023695226827857169<67> × [1016215181068304805580099165110907403186099171438839976224324501278852489728021017860124297070383958835850445077925020768139258196864147867725550797698963607902077143617322490813872069407136097725355821526738828675928710411370640173384287855911722497567868526395347540292909<274>] |