List questions from modular-arithmetic

Published on 03 Feb 2020 - 18:22

237

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Pigeonhole Principle for numbers and their divisors within a set

Published on 09 Apr 2026 - 8:49

236

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Is my understanding of finite field division correct?

Published on 09 Apr 2026 - 16:58

211

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Prove that if m is a square integer then m is neither congruent to 2 modulo 5 nor congruent to 3 modulo 5

Published on 05 Feb 2020 - 7:55

255

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Euler's Theorem Discrete Mathematics Exponential Modulo

Published on 30 Mar 2026 - 18:17

264

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When does $2n-1$ divide $16(n^2-n-1)^2$?

Published on 03 Apr 2026 - 3:34

23

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Number theory-Modular arithmetic

Published on 13 Apr 2026 - 10:12

41

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About order of $q \pmod {p^n}.$

Published on 27 Mar 2026 - 16:54

123

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Can we decrease one element of these sets arbitrarily?

Published on 27 Mar 2026 - 16:02

895

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Show that $a^2$ cannot be congruent to 2 or 3 mod 5 for any integer

Published on 08 Feb 2020 - 22:58

51

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Solutions to $p_1 + p_2^{a} = p_2 + p_1^{b}$ where $p_1,p_2$ are prime and $a,b$ are positive integers

Published on 09 Feb 2020 - 8:26

319

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$18x\equiv1\pmod{ 25}$. Computing inverses modulo a square.

Published on 09 Feb 2020 - 17:04

75

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After simplifying $\frac{2^{2017}+1}{3\cdot 2^{2017}}$ to $\frac{n}{m}$ where n and m are coprime, find the remainder when $m+n$ is divided by 1000.

Published on 09 Feb 2020 - 18:00

223

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Find the least odd prime factor of $155^8+1$

Published on 13 Apr 2026 - 21:32

279

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Solving linear system over the reals modulo $\pi$

Published on 25 Mar 2026 - 5:59

List Question

Integral divisors of $a^n-b^n$ - misinterpretation

Pigeonhole Principle for numbers and their divisors within a set

Is my understanding of finite field division correct?

Prove that if m is a square integer then m is neither congruent to 2 modulo 5 nor congruent to 3 modulo 5

Euler's Theorem Discrete Mathematics Exponential Modulo

When does $2n-1$ divide $16(n^2-n-1)^2$?

Number theory-Modular arithmetic

About order of $q \pmod {p^n}.$

Can we decrease one element of these sets arbitrarily?

Show that $a^2$ cannot be congruent to 2 or 3 mod 5 for any integer

Solutions to $p_1 + p_2^{a} = p_2 + p_1^{b}$ where $p_1,p_2$ are prime and $a,b$ are positive integers

$18x\equiv1\pmod{ 25}$. Computing inverses modulo a square.

After simplifying $\frac{2^{2017}+1}{3\cdot 2^{2017}}$ to $\frac{n}{m}$ where n and m are coprime, find the remainder when $m+n$ is divided by 1000.

Find the least odd prime factor of $155^8+1$

Solving linear system over the reals modulo $\pi$

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