#### History of Idiom 74 > diff from v30 to v31

Edit summary for version 31 :

New VB implementation by user [Jak Drako]

New VB implementation by user [Jak Drako]

↷

#### Version 30

2019-09-28, 16:19:58

#### Version 31

2019-09-30, 12:13:07

# 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

##### Code

Dim x = BigInteger.GreatestCommonDivisor(a, b)

##### Comments bubble

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