Prime can refer to: Prime number, an integer greater than 1 which's only divisible by 1 and itself Prime (symbol), the ′ mark 3′ end and 5′ end ("three prime end", "five prime end") in biochemistry Prime (liturgy), a liturgical office (service or ceremony) Prime element, in the integral domain of mathematics Prime form in music Prime ideal, subset of a ring in mathematics E-Prime, a modified English syntax and vocabulary lacking all forms of the verb "to be" Prime knot… (More on Prime)