List questions from congruences

Published on 25 Mar 2026 - 12:51

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is A an even number?

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Mathematicians shocked(?) to find pattern in prime numbers

Published on 15 Mar 2016 - 3:32

332

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induction in congruence modulo

Published on 15 Mar 2016 - 11:42

68

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If $n \equiv 3 \pmod{4}$ then there is a prime $p$ such that $p \equiv 3 \pmod{4}$ and $p \mid n$.

Published on 17 Mar 2016 - 1:12

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Calculate $2^{48} \equiv x \mod 140$

Published on 29 Mar 2026 - 20:43

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If more than one prime number satisfies a given congruence, must an infinite number of primes satisfy that congruence?

Published on 18 Mar 2016 - 2:50

51

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is it possible to equate/express what a and b is from $a^b\pmod n\equiv x$

Published on 18 Mar 2016 - 10:14

48

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Primes congruent to {0,2} modulo 3 and the greatest common divisor of $2s(s-1)$

Published on 18 Mar 2016 - 20:17

70

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Discrete Mathematics - Congruence

Published on 19 Mar 2016 - 19:49

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How do I find the solutions of the congruence $3x^3-2x^2+x \equiv0\mod{30}$?

Published on 21 Mar 2016 - 16:34

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If possible, solve $3x^2 + 6x + 5 \equiv 0 $(mod 539)

Published on 21 Mar 2016 - 18:48

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If possible, solve $7x^2 - 4x + 1 \equiv 0 $ (mod 11)

Published on 21 Mar 2016 - 20:21

69

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prime dividing a number

Published on 23 Mar 2016 - 18:11

79

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Solving $x^{3}+x^{2}+1 \equiv 0\pmod{27}$

Published on 24 Mar 2016 - 8:22

List Question

Solving for length of an unknown side of a triangle.

is A an even number?

Mathematicians shocked(?) to find pattern in prime numbers

induction in congruence modulo

If $n \equiv 3 \pmod{4}$ then there is a prime $p$ such that $p \equiv 3 \pmod{4}$ and $p \mid n$.

Calculate $2^{48} \equiv x \mod 140$

If more than one prime number satisfies a given congruence, must an infinite number of primes satisfy that congruence?

is it possible to equate/express what a and b is from $a^b\pmod n\equiv x$

Primes congruent to {0,2} modulo 3 and the greatest common divisor of $2s(s-1)$

Discrete Mathematics - Congruence

How do I find the solutions of the congruence $3x^3-2x^2+x \equiv0\mod{30}$?

If possible, solve $3x^2 + 6x + 5 \equiv 0 $(mod 539)

If possible, solve $7x^2 - 4x + 1 \equiv 0 $ (mod 11)

prime dividing a number

Solving $x^{3}+x^{2}+1 \equiv 0\pmod{27}$

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