Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 448: | \[{27^{448}-1\over26}\] | 27 × 5 × 72 × 17 × 29 × 41 × 43 × 73 × 97 × 113 × 193 × 337 × 449 × 547 × 577 × 673 × 769 × 1009 × 1093 × 2269 × 2689 × 2857 × 6481 × 7297 × 8513 × 13441 × 14561 × 16493 × 19489 × 45697 × 68737 × 76801 × 101921 × 167329 × 368089 × 430697 × 643553 × 647753 × 21523361 × 67765601 × 96948097 × 109688713 × 378369377 × 2108826721 × 5685756833<10> × 24127552321<11> × 596160743809<12> × 31539199370561<14> × 70613232600577<14> × 926510094425921<15> × 1269624189254401<16> × 1439903163576193<16> × 3356086147916993<16> × 36214795668330833<17> × 78812114368716810943784460929180054401921<41> × 473451024093683360527418040621798755737921<42> × 40483766963304368397188808355708718283085366457600758273317693320515710595033826126408219521<92> × 710026158583460592117516572492898861856722951084486491626177689829183736091585445223746779598141972609448417220484017379268523554103646886874278454539137<153> |