Show that there exists infinitely many primes which satisfy a given congurence.











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Let $m$ be a fixed positive integer that is the product of distinct prime factors of the form $(3k+2)$, such as $5 times 11$.



Prove that there exist infinitely many primes $p$ such that $3^{3p-2}equiv 1 pmod m$?



I started with assuming that there exists finitely many primes satisfying such equation. How to contradict this statement? May be we can create one more prime satisfying given equation? I am stucked. Please help










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  • What is the order of $3 bmod 3k+2$ and $bmod m$ and how does it affect $3p-2$
    – reuns
    Nov 18 at 15:45












  • Where did you find this problem?
    – user612946
    Nov 20 at 13:29















up vote
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down vote

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Let $m$ be a fixed positive integer that is the product of distinct prime factors of the form $(3k+2)$, such as $5 times 11$.



Prove that there exist infinitely many primes $p$ such that $3^{3p-2}equiv 1 pmod m$?



I started with assuming that there exists finitely many primes satisfying such equation. How to contradict this statement? May be we can create one more prime satisfying given equation? I am stucked. Please help










share|cite|improve this question
























  • What is the order of $3 bmod 3k+2$ and $bmod m$ and how does it affect $3p-2$
    – reuns
    Nov 18 at 15:45












  • Where did you find this problem?
    – user612946
    Nov 20 at 13:29













up vote
1
down vote

favorite
1









up vote
1
down vote

favorite
1






1





Let $m$ be a fixed positive integer that is the product of distinct prime factors of the form $(3k+2)$, such as $5 times 11$.



Prove that there exist infinitely many primes $p$ such that $3^{3p-2}equiv 1 pmod m$?



I started with assuming that there exists finitely many primes satisfying such equation. How to contradict this statement? May be we can create one more prime satisfying given equation? I am stucked. Please help










share|cite|improve this question















Let $m$ be a fixed positive integer that is the product of distinct prime factors of the form $(3k+2)$, such as $5 times 11$.



Prove that there exist infinitely many primes $p$ such that $3^{3p-2}equiv 1 pmod m$?



I started with assuming that there exists finitely many primes satisfying such equation. How to contradict this statement? May be we can create one more prime satisfying given equation? I am stucked. Please help







number-theory prime-numbers modular-arithmetic






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share|cite|improve this question













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share|cite|improve this question








edited Nov 18 at 11:02

























asked Nov 18 at 10:52









Mittal G

1,180515




1,180515












  • What is the order of $3 bmod 3k+2$ and $bmod m$ and how does it affect $3p-2$
    – reuns
    Nov 18 at 15:45












  • Where did you find this problem?
    – user612946
    Nov 20 at 13:29


















  • What is the order of $3 bmod 3k+2$ and $bmod m$ and how does it affect $3p-2$
    – reuns
    Nov 18 at 15:45












  • Where did you find this problem?
    – user612946
    Nov 20 at 13:29
















What is the order of $3 bmod 3k+2$ and $bmod m$ and how does it affect $3p-2$
– reuns
Nov 18 at 15:45






What is the order of $3 bmod 3k+2$ and $bmod m$ and how does it affect $3p-2$
– reuns
Nov 18 at 15:45














Where did you find this problem?
– user612946
Nov 20 at 13:29




Where did you find this problem?
– user612946
Nov 20 at 13:29















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