Random number generator tested:

randu
Minimum value: 1
Maximum value: 2147483647
Random number generator algorithms:
This is the IBM RANDU generator. Its sequence is
xn+1 = (a xn) mod m
with a = 65539 and m = 231. The seed specifies the initial value, x1. The period of this generator was only 229. It has become a textbook example of a poor generator.