Open in CoCalc
for p in prime_range(100):
print p, primitive_root(p)

2 1 3 2 5 2 7 3 11 2 13 2 17 3 19 2 23 5 29 2 31 3 37 2 41 6 43 3 47 5 53 2 59 2 61 2 67 2 71 7 73 5 79 3 83 2 89 3 97 5