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Forum: Number Theory

Classical Number Theory, Algebraic and Analytic Number Theory, Number Theoretic Cryptography

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  2. Greatest common divisor

    Started by Guest, January 29th, 2016 14:23
    $n$, common, counterexample, false, integer
    • Replies: 5
    • Views: 982
    January 29th, 2016, 17:55 Go to last post
  3. [SOLVED] Alll Positive Integers proof by contraposition

    Started by tmt, November 30th, 2015 01:17
    $s$, book, inequality, integers, sqrtn$
    • Replies: 1
    • Views: 980
    November 30th, 2015, 09:50 Go to last post
  4. Prime numbers proof by contradiction

    Started by tmt, November 30th, 2015 00:47
    $a^2, b^2, contradiction, numbers, prime
    • Replies: 1
    • Views: 746
    November 30th, 2015, 08:21 Go to last post
  5. [SOLVED] Proof by contraposition for dividing integers

    Started by tmt, November 29th, 2015 23:12
    $bc, akc, contraposition, integers, nmid
    • Replies: 0
    • Views: 621
    November 29th, 2015, 23:12 Go to last post
  6. Sufficient Proof

    Started by tmt, November 29th, 2015 17:48
    n^2, prove, quotient, remainder, theorem
    • Replies: 1
    • Views: 798
    November 29th, 2015, 21:17 Go to last post
  7. [SOLVED] Contrapositive proof

    Started by tmt, November 29th, 2015 20:30
    $m$, $n$, contrapositive, odd, proof
    • Replies: 1
    • Views: 690
    November 29th, 2015, 20:42 Go to last post
  8. Dividing problem

    Started by tmt, November 28th, 2015 18:01
    $a$, integer, proceed, show, unsure
    • Replies: 1
    • Views: 772
    November 28th, 2015, 22:50 Go to last post
  9. [SOLVED] All solutions to equation problem

    Started by tmt, November 24th, 2015 21:11
    $56, equation, find, proceed, solutions
    • Replies: 1
    • Views: 844
    November 24th, 2015, 22:15 Go to last post
  10. Problem Chinese remainder Theorem

    Started by Julio, October 25th, 2015 23:55
    $r+2mathbbncap, mhb, problem, s+3mathbbncap, t+5mathbbn=x+nmathbbn.$
    • Replies: 2
    • Views: 938
    November 22nd, 2015, 20:41 Go to last post
  11. [SOLVED] Quotient remainder theorem

    Started by tmt, November 21st, 2015 19:45
    $$q$$, $$r$$, b$$, integer, unique
    • Replies: 3
    • Views: 1,215
    November 22nd, 2015, 12:44 Go to last post
  12. [SOLVED] Quotient remainder theorem problem.

    Started by tmt, November 20th, 2015 16:20
    english, problem, quotient, remainder, theorem
    • Replies: 3
    • Views: 914
    November 20th, 2015, 17:42 Go to last post
  13. Primitive Pythagorean triple

    Started by Alexmahone, November 10th, 2015 18:02
    attempt, multiple, primitive, pythagorean, triple
    • Replies: 1
    • Views: 883
    November 11th, 2015, 00:33 Go to last post
  14. Chinese remainder Theorem

    Started by Julio, October 25th, 2015 23:50
    $varphi, follow, function, mathbbz/bmathbbztimes, mathbbz/cmathbbz$
    • Replies: 0
    • Views: 584
    October 25th, 2015, 23:50 Go to last post
  15. Show combinations is even

    Started by mathgirl, September 9th, 2015 16:04
    binomnr, combinations, odd, prove, show
    • Replies: 1
    • Views: 1,017
    September 13th, 2015, 15:33 Go to last post
  16. Geometric problem

    Started by Julio, August 17th, 2015 22:44
    $d_pn+m=|n-m|_p.$, center, hint, metric, problem
    • Replies: 2
    • Views: 1,059
    August 18th, 2015, 08:18 Go to last post
  17. Why more than 2^(99)

    Started by Olok, July 26th, 2015 16:30
    • Replies: 1
    • Views: 989
    July 30th, 2015, 23:00 Go to last post
  18. Prime Versus Irreducible Numbers

    Started by Panda, July 26th, 2015 07:10
    irreducible, natural, numbers, property, prove
    • Replies: 1
    • Views: 1,004
    July 26th, 2015, 09:37 Go to last post
  19. [SOLVED] Can someone give a simple explanation of quadratic residues?

    Started by Terry, July 26th, 2015 07:52
    mod, quadratic, solutions, understand, x^2
    • Replies: 3
    • Views: 1,102
    July 26th, 2015, 09:13 Go to last post
  20. Resources for Pell's equation

    Started by matqkks, July 15th, 2015 15:02
    equation, good, pellís, practical, resources
    • Replies: 1
    • Views: 961
    July 24th, 2015, 10:38 Go to last post
  21. Sum of squares history

    Started by Amer, July 20th, 2015 04:42
    history, squares, sum, thinking, triples
    • Replies: 1
    • Views: 963
    July 23rd, 2015, 19:21 Go to last post
  22. Electronic voting system

    Started by mathmari, June 13th, 2015 16:35
    centres, tally, vote, voter, voters
    • Replies: 0
    • Views: 830
    June 13th, 2015, 16:35 Go to last post
  23. RSA signature scheme

    Started by mathmari, June 12th, 2015 18:23
    key, phin, pmod, rightarrow, signature
    • Replies: 3
    • Views: 1,175
    June 13th, 2015, 07:01 Go to last post
  24. ElGamal signature scheme

    Started by mathmari, June 11th, 2015 17:25
    key, message, pmod, private, signature
    • Replies: 1
    • Views: 916
    June 12th, 2015, 18:17 Go to last post
  25. How can we find the private key?

    Started by mathmari, June 12th, 2015 05:35
    alice, discrete, find, key, private
    • Replies: 3
    • Views: 949
    June 12th, 2015, 18:09 Go to last post
  26. Sum of two squares

    Started by matqkks, June 9th, 2015 12:44
    integer, squares, sum, sums, theory
    • Replies: 1
    • Views: 931
    June 11th, 2015, 19:18 Go to last post
  27. How can we find the decrypted message?

    Started by mathmari, June 10th, 2015 04:21
    $a$, find, key, message, y^k=34$
    • Replies: 1
    • Views: 873
    June 11th, 2015, 05:20 Go to last post
  28. Pohlig-Hellman algorithm

    Started by mathmari, June 10th, 2015 16:58
    algorithm, pohlig-hellman, step, understand, wondering
    • Replies: 1
    • Views: 1,061
    June 10th, 2015, 21:23 Go to last post
  29. Two problems

    Started by Kubik, June 6th, 2015 03:37
    prime, principal, problems, prove, ring
    • Replies: 0
    • Views: 730
    June 6th, 2015, 03:37 Go to last post
  30. Lowest Common Multiple - LCM

    Started by matqkks, May 4th, 2015 05:13
    elementary number theory, impact, lcm, motivation, teaching
    • Replies: 2
    • Views: 1,086
    May 31st, 2015, 12:44 Go to last post

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Top 107 Thread Starters For "Number Theory"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1evinda25.977Is there an other way to show ...
2matqkks8.826Wilson's Theorem
3Poirot4.012Congruence equation
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5Alexmahone2.78Prove congruence for powers of...
6jacks2.47Bilinear integer equation
6Cbarker12.47Question 29- How to conclude t...
7caffeinemachine1.34Resurrecting a previous post. ...
7Peter1.34Units of the set of all Eisens...
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7mathworker1.34Sum of divisors of prime
7mente oscura1.34Fermat's Last Theorem for n=4
7PeterJ1.34Factorisation Related Question
8tda1201.03Eulers phi function, orders, g...
8Guest1.03Hard remainder problem
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8Bibubo1.03Numbers in the same class
8e2theipi20261.03Equivalent Goldbach proof impo...
9conscipost0.72Unit sum composed of unit frac...
9chisigma0.72A question on cryptography...
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9mathmaniac0.72No. of numbers relatively prim...
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9crypt500.72Least residue
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9RLBrown0.72A Vedic Math method
9Ciaran0.726 digit numbers
9Deanmark0.72Find Last Two Digits
10The Chaz0.31Composites
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10Loiz0.31maximal ideal
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10johng0.31Half factorials
10cbarr0.31Minimum number of twin primes
10Economan0.31Modular arithmetic problem
10MI50.31If c|ab and gcd(b, c) = 1 why ...
10sh9110980.31Beal's conjecture
10shamieh0.31Proofs of Modular Division
10Gerasimov0.31Fractals in relatively prime i...
10KOO0.31If a≥ ≡ b≥ (mod n) then ...
10riemann750240.31Divisibility of Binomial Coeff...
10Fermat0.31primitive root proof
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10nano0.31Divisibility Problems
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10Olok0.31Why more than 2^(99)
10bitsmath0.31how to find genus of my curve
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10Kubik0.31Two problems
10Panda0.31Prime Versus Irreducible Numbe...
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