List questions from congruences

Published on 12 Jan 2016 - 17:07

164

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Congruences and prime numbers

Published on 13 Jan 2016 - 18:09

164

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Perfect square is $0$ or $1$ modulo $4$ .

Published on 14 Jan 2016 - 17:40

98

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Sum of possible all possible $x$ such that $51 \equiv 3 \pmod{x}$

Published on 14 Jan 2016 - 17:50

51

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Help solving congruence equation (modulo).

Published on 15 Jan 2016 - 12:44

487

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How to deal with an additive constant in a linear congruence equation?

Published on 15 Jan 2016 - 14:23

34

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When is the sum of three reduced rationals equal to an integer

Published on 25 Mar 2026 - 15:51

40

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How do i show this :for every prime $p> 3$ and every integer $k\geq1$ ,${p}^{4k}=1\mod3$?

Published on 17 Jan 2016 - 23:00

232

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Quadratic Reciprocity and Congruences

Published on 24 Mar 2026 - 2:38

95

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Find $x \in{Z_{250}}$ so that $ x\equiv{248^{156,454,638}} \pmod{250}$?

Published on 18 Jan 2016 - 16:13

129

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Fermat's little theorem and Euler's criterion

Published on 26 Mar 2026 - 0:06

338

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Congruence for large modulus

Published on 22 Jan 2016 - 3:52

138

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Prove that $\sigma^*$ is the least group congruence on $S$

Published on 25 Mar 2026 - 15:52

141

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How to find $n$ if $a^n \equiv r \pmod m$

Published on 23 Jan 2016 - 19:15

49

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Finding other solutions to diophantine equations

Published on 24 Jan 2016 - 14:43

List Question

Paper of Paul Erdös

Congruences and prime numbers

Perfect square is $0$ or $1$ modulo $4$ .

Sum of possible all possible $x$ such that $51 \equiv 3 \pmod{x}$

Help solving congruence equation (modulo).

How to deal with an additive constant in a linear congruence equation?

When is the sum of three reduced rationals equal to an integer

How do i show this :for every prime $p> 3$ and every integer $k\geq1$ ,${p}^{4k}=1\mod3$?

Quadratic Reciprocity and Congruences

Find $x \in{Z_{250}}$ so that $ x\equiv{248^{156,454,638}} \pmod{250}$?

Fermat's little theorem and Euler's criterion

Congruence for large modulus

Prove that $\sigma^*$ is the least group congruence on $S$

How to find $n$ if $a^n \equiv r \pmod m$

Finding other solutions to diophantine equations

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