#### History of Idiom 74 > diff from v31 to v32

Edit summary for version 32 :

[VB] Typo in comment

[VB] Typo in comment

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#### Version 31

2019-09-30, 12:13:07

#### Version 32

2019-09-30, 12:13:30

# Idiom #74 Compute GCD

Compute the greatest common divisor x of big integers a and b. Use an integer type able to handle huge numbers.

# Idiom #74 Compute GCD

Compute the greatest common divisor x of big integers a and b. Use an integer type able to handle huge numbers.

##### Imports

Imports System.Numerics

##### Imports

Imports System.Numerics

##### Code

Dim x = BigInteger.GreatestCommonDivisor(a, b)

##### Code

Dim x = BigInteger.GreatestCommonDivisor(a, b)

##### Comments bubble

The BigInteger type from System.Numerics has a GreatestCommonDivison method built in.

##### Comments bubble

The BigInteger type from System.Numerics has a GreatestCommonDivisor method built in.