smallestFactorSmallestFactor Method (Int64, NullableInt64)

Get the smallest prime factor of an Int64.

Namespace: NumberStone
Assembly: WhetStone (in WhetStone.dll) Version: 1.0.4.0 (1.0.0.0)

Syntax

public static long SmallestFactor(
	this long value,
	Nullable<long> start = null
)

value: Type: SystemInt64
The number to factorize.
start (Optional): Type: SystemNullableInt64
The smallest prime to check or to check all of them.

Type: Int64
The smallest prime number after start that divides value, or value if none found.

In Visual Basic and C#, you can call this method as an instance method on any object of type Int64. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

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