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BigInteger.DivRem Method

Divides one BigInteger value by another, returns the result, and returns the remainder in an output parameter.

Namespace:  System.Numerics
Assembly:  System.Numerics (in System.Numerics.dll)

public static BigInteger DivRem(
	BigInteger dividend,
	BigInteger divisor,
	out BigInteger remainder
)

Parameters

dividend
Type: System.Numerics.BigInteger

The value to be divided.

divisor
Type: System.Numerics.BigInteger

The value to divide by.

remainder
Type: System.Numerics.BigInteger

When this method returns, contains a BigInteger value that represents the remainder from the division. This parameter is passed uninitialized.

Return Value

Type: System.Numerics.BigInteger
The quotient of the division.

ExceptionCondition
DivideByZeroException

divisor is 0 (zero).

This method preserves both the quotient and the remainder that results from integer division. If you are not interested in the remainder, use the Divide method or the division operator; if you are only interested in the remainder, use the Remainder method.

The sign of the returned remainder value is the same as the sign of the dividend parameter.

The behavior of the DivRem method is identical to that of the Math.DivRem method.

The following example creates an array of BigInteger values. It then uses each element as the quotient in a division operation that uses the Divide method, the division operator (/), and the DivRem method.

using System;
using System.Numerics;

public class Example
{
   public static void Main()
   {
      BigInteger divisor = BigInteger.Pow(Int64.MaxValue, 2);

      BigInteger[] dividends = { BigInteger.Multiply((BigInteger) Single.MaxValue, 2), 
                                 BigInteger.Parse("90612345123875509091827560007100099"), 
                                 BigInteger.One, 
                                 BigInteger.Multiply(Int32.MaxValue, Int64.MaxValue),
                                 divisor + BigInteger.One };

      // Divide each dividend by divisor in three different ways. 
      foreach (BigInteger dividend in dividends)
      {
         BigInteger quotient;
         BigInteger remainder = 0;

         Console.WriteLine("Dividend: {0:N0}", dividend);
         Console.WriteLine("Divisor:  {0:N0}", divisor);
         Console.WriteLine("Results:");
         Console.WriteLine("   Using Divide method:     {0:N0}", 
                           BigInteger.Divide(dividend, divisor));
         Console.WriteLine("   Using Division operator: {0:N0}", 
                           dividend / divisor);
         quotient = BigInteger.DivRem(dividend, divisor, out remainder);
         Console.WriteLine("   Using DivRem method:     {0:N0}, remainder {1:N0}", 
                           quotient, remainder);

         Console.WriteLine();
      }            
   }
}
// The example displays the following output: 
//    Dividend: 680,564,693,277,057,719,623,408,366,969,033,850,880 
//    Divisor:  85,070,591,730,234,615,847,396,907,784,232,501,249 
//    Results: 
//       Using Divide method:     7 
//       Using Division operator: 7 
//       Using DivRem method:     7, remainder 85,070,551,165,415,408,691,630,012,479,406,342,137 
//     
//    Dividend: 90,612,345,123,875,509,091,827,560,007,100,099 
//    Divisor:  85,070,591,730,234,615,847,396,907,784,232,501,249 
//    Results: 
//       Using Divide method:     0 
//       Using Division operator: 0 
//       Using DivRem method:     0, remainder 90,612,345,123,875,509,091,827,560,007,100,099 
//     
//    Dividend: 1 
//    Divisor:  85,070,591,730,234,615,847,396,907,784,232,501,249 
//    Results: 
//       Using Divide method:     0 
//       Using Division operator: 0 
//       Using DivRem method:     0, remainder 1 
//     
//    Dividend: 19,807,040,619,342,712,359,383,728,129 
//    Divisor:  85,070,591,730,234,615,847,396,907,784,232,501,249 
//    Results: 
//       Using Divide method:     0 
//       Using Division operator: 0 
//       Using DivRem method:     0, remainder 19,807,040,619,342,712,359,383,728,129 
//     
//    Dividend: 85,070,591,730,234,615,847,396,907,784,232,501,250 
//    Divisor:  85,070,591,730,234,615,847,396,907,784,232,501,249 
//    Results: 
//       Using Divide method:     1 
//       Using Division operator: 1 
//       Using DivRem method:     1, remainder 1

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Windows Phone 8.1, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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