258edo

258EDO is the equal division of the octave into 258 parts of 4.651163 cents each. It tempers out 10976/10935 (hemimage), 65625/65536 (horwell), and 235298/234375 (triwellisma) in the 7-limit as well as 250047/250000 (landscape), 823543/819200 (quince), and 1500625/1492992 (headquarters comma). Using the patent val, it tempers out 441/440, 4375/4356, 16384/16335, and 19712/19683 in the 11-limit; 364/363, 625/624, and 2200/2197 in the 13-limit; 375/374, 595/594, 833/832, 936/935, 2500/2499, 4928/4913 in the 17-limit.

258 has divisors 2, 3, 6, 43, 86, and 129, so 258EDO supports the meridic temperament, which tempers out 43-15-comma, [168 -43 -43⟩ and the mitonisma, 5250987/5242880. Other temperaments which 258EDO supports include cotoneum and mutt.