6 kyu
Create Phone Number
350,948xDranik
Completed Languages:
5 kyu
Number of trailing zeros of N!
57,679Ivan Diachenko
Completed Languages:
6 kyu
Is a number prime?
117,183arithmetric
Completed Languages:
6 kyu
Your order, please
178,115iamstone
Completed Languages:
6 kyu
Take a Ten Minutes Walk
208,751JKphobic
Completed Languages:
6 kyu
Multiples of 3 or 5
448,798jhoffner
Completed Languages:
8 kyu
Beginner - Reduce but Grow
169,038PG1
Completed Languages: