#### History of Idiom 74 > diff from v23 to v24

Edit summary for version 24 :

New JS implementation by user [1.7.4]

New JS implementation by user [1.7.4]

↷

#### Version 23

2018-09-06, 20:03:38

#### Version 24

2019-01-24, 10:00:26

# 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.

##### Code

const gcd = (a, b) => !b ? a : gcd (b, a % b)

##### Comments bubble

Warning: This implementation is not the most efficient. Figure out a more efficient way to do this if you're up for it!