Definition of primes:
(adj) :
First in importance, degree, or rank.
(adj) :
First in time, order, or sequence.
(adj) :
First in excellence, quality, or value.
(adj) :
(mathematics, lay) Having exactly two integral factors: itself and unity (1 in the case of integers).
(adj) :
(mathematics, technical) Such that if it divides a product, it divides one of the multiplicands.
(adj) :
(algebra, of an ideal) Having its complement closed under multiplication.