IntegerMath.PreviousPrime Method

Returns the first prime number preceding the given number.

Definition

Namespace: Extreme.Mathematics
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23

public static int PreviousPrime(
	int n
)

Visual Basic

Public Shared Function PreviousPrime ( 
	n As Integer
) As Integer

C++/CLI

public:
static int PreviousPrime(
	int n
)

static member PreviousPrime : 
        n : int -> int

Int32
The next prime number, if there is one, or -1 if not.