Best Information for: Prime Properties
Properties. The numbers 1 and −1 are the only integers coprime to every integer, and they are the only integers that are coprime with 0. A number of conditions are equivalent to a and b being coprime:.
A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. There is also a set of Diophantine equations in 9 variables and one parameter with the following property: the parameter is prime if and only if the resulting system of equations has a solution over the natural numbers..
A twin prime is a prime number that is either 2 less or 2 more than another prime number—for example, either member of the twin prime pair (41, 43)..