Cofactor

Cofactor may refer to:Cofactor (biochemistry), a substance that needs to be present in addition to an enzyme for a certain reaction to be catalysed A domain parameter in elliptic curve cryptography, defined as the ratio between the order of a group and that of the subgroup Cofactor, the signed minor of a matrix Minor, an alternative name for the determinant of a smaller matrix than that which it describes Shannon cofactor, a term in Boole's expansion of a Boolean function