I want to determine the smallest prime such that
and the order of is less than .
is Legendre symbol.
I have tried with different prime number but have not got any answer.
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With the help of Wiki's Table of Primitive Roots , the first prime that does not have 2 as its primitive root and is congruent to 3 or 5 is
but the order of _13 is 12, and I am looking for a p where order of 2 is less than p-1?
Originally Posted by peteryellow but the order of _13 is 12, and I am looking for a p where order of 2 is less than p-1? If you look at the table o_O provided thou shall see that has primitive root and that .
Thus, is not a primitive root.
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