(mathematics) A prime number belonging to one of the two groups that prime numbers are divided into. The other group is the irregular primes.

plural of irregular prime

plural of prime implicant

(electrical engineering) A group of related 1's (implicant) on a Karnaugh map which is not subsumed by any other implicant in the same map. Equivalently (in terms of Boolean algebra), a product term which is a "minimal" implicant in the sense that removing any of its literals will yield a product term which is not an implicant (but beware: on a Karnaugh map it would appear "maximal").

(logic) A well-formed formula which has not been made by combining simpler well-formed formulas by means of logical connectives.

Of or relating to a prime minister.

plural of twin prime

(number theory) A prime number which is one less than a power of two (i.e., is expressible in the form 2ⁿ-1; for example, 31=2⁵-1).

(number theory) A Fermat number that is prime.

(law) A person who is considered by the law enforcement agency investigating a crime to be the most likely suspect.