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KoMaL A Problems 2018/2019
A. 753
A. 753
Part of
KoMaL A Problems 2018/2019
Problems
(1)
Prime divisors of x^3 + x^2 - 4x + 1 are cubic residues modulo 13
Source: KöMaL A753
6/12/2019
Let
p
p
p
be a prime divisor of
x
3
+
x
2
ā
4
x
+
1
x^3 + x^2 - 4x + 1
x
3
+
x
2
ā
4
x
+
1
. Prove that
p
p
p
is a cubic residue modulo
13
13
13
.
number theory