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Forum: Number Theory

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

  1. Normal Thread Normal Threads

  2. Finding last digits of 983389^389

    Started by Alexthexela, April 15th, 2018 18:34
    • Replies: 1
    • Views: 88
    April 17th, 2018, 03:51 Go to last post
  3. Numerical Superposition

    Started by conway, April 15th, 2018 17:23
    =/=, additive, elements, possess, undefined
    • Replies: 0
    • Views: 44
    April 15th, 2018, 17:23 Go to last post
  4. How would I prove this by induction?

    Started by tonyfoster, March 21st, 2018 22:10
    7991, induction, prove
    • Replies: 1
    • Views: 98
    March 22nd, 2018, 03:34 Go to last post
  5. Induction problem-please help!

    Started by cshao123, February 24th, 2018 16:37
    a/b, fraction, lowest, make, terms
    • Replies: 1
    • Views: 125
    February 24th, 2018, 17:02 Go to last post
  6. About a variant of the Chinese Remainder Theorem

    Started by steenis, February 21st, 2018 11:12
    $m$, chinese, remainder, theorem, variant
    • Replies: 5
    • Views: 196
    February 22nd, 2018, 12:01 Go to last post
  7. Test whether the integer is a prime

    Started by evinda, November 24th, 2017 13:27
    10 Pages
    1 2 3 ... 10
    • Replies: 96
    • Views: 2,061
    February 14th, 2018, 16:57 Go to last post
  8. Odd math problem

    Started by mathpleb, February 5th, 2018 17:58
    fractions, integers, odd, positive, prove
    • Replies: 2
    • Views: 207
    February 5th, 2018, 19:37 Go to last post
  9. Prove this theorem

    Started by Cbarker1, October 12th, 2017 18:40
    assume, integer, lost, prove, square
    • Replies: 2
    • Views: 240
    February 2nd, 2018, 23:07 Go to last post
  10. Find Last Two Digits

    Started by Deanmark, February 1st, 2018 17:41
    2 Pages
    1 2
    digits, eulers, fermats, find, generalization
    • Replies: 12
    • Views: 386
    February 2nd, 2018, 12:14 Go to last post
  11. Find Remainder When Divided by 19

    Started by Deanmark, January 30th, 2018 17:39
    advice, compute, divided, mod, understand
    • Replies: 2
    • Views: 151
    January 30th, 2018, 18:44 Go to last post
  12. GCD proving help

    Started by Alexis87, January 20th, 2018 11:39
    • Replies: 6
    • Views: 329
    January 21st, 2018, 05:39 Go to last post
  13. Is there an other way to show the proposition ?

    Started by evinda, January 16th, 2018 14:45
    2 Pages
    1 2
    • Replies: 11
    • Views: 372
    January 19th, 2018, 07:24 Go to last post
  14. Solution to the Riemann Hypothesis in plain English

    Started by Zebobez, December 31st, 2017 17:08
    • Replies: 5
    • Views: 266
    January 5th, 2018, 04:13 Go to last post
  15. Integral multiple of 4

    Started by Cbarker1, October 10th, 2017 16:57
    dear, integral, means, multiple, question
    • Replies: 2
    • Views: 928
    December 28th, 2017, 10:25 Go to last post
  16. Prove a number is divisible by a number?

    Started by TinaSprout, December 11th, 2017 21:29
    discrete, divisible, induction, proof, true
    • Replies: 7
    • Views: 204
    December 12th, 2017, 00:03 Go to last post
  17. proof & structure in Maths

    Started by johnny009, November 11th, 2017 12:07
    converse, greater, integer, perfect, square
    • Replies: 3
    • Views: 199
    November 13th, 2017, 06:56 Go to last post
  18. Question 29- How to conclude the following proof.

    Started by Cbarker1, November 10th, 2017 07:33
    $kinbbbz$, $n^2=1+4k$, k=2, odd, proof
    • Replies: 2
    • Views: 174
    November 10th, 2017, 17:44 Go to last post
  19. Number of bit operations

    Started by evinda, September 24th, 2017 17:01
    2 Pages
    1 2
    $a^n-1, bit, number, operations, time
    • Replies: 19
    • Views: 714
    October 22nd, 2017, 14:27 Go to last post
  20. [SOLVED] How to prove this inequality?

    Started by Cbarker1, October 15th, 2017 19:56
    $$n^2-n0$$, inequality, negative, prove, theorem
    • Replies: 2
    • Views: 221
    October 17th, 2017, 20:14 Go to last post
  21. Cryptography: RSA Message decryption

    Started by ertagon2, October 16th, 2017 12:05
    • Replies: 4
    • Views: 218
    October 16th, 2017, 14:35 Go to last post
  22. How to show uniqueness in this statement for integers

    Started by Cbarker1, October 15th, 2017 12:12
    $$n^2+2=3$$, integer, statement, theorem, unique
    • Replies: 2
    • Views: 202
    October 15th, 2017, 12:28 Go to last post
  23. Level surface

    Started by Elize88, October 8th, 2017 09:53
    level, lineair, planes, prove, surface
    • Replies: 1
    • Views: 233
    October 8th, 2017, 11:58 Go to last post
  24. Questions related to Carmichael number

    Started by evinda, October 1st, 2017 18:28
    $n$, $p_0$, carmichael, number, prime
    • Replies: 0
    • Views: 181
    October 1st, 2017, 18:28 Go to last post
  25. Questions about proof about primality testing

    Started by evinda, September 14th, 2017 08:46
    2 Pages
    1 2
    $n$, $n-1$, cyclic, group, proof
    • Replies: 16
    • Views: 761
    September 20th, 2017, 14:03 Go to last post
  26. Number of steps of euclidean algorithm

    Started by evinda, September 7th, 2017 11:16
    algorithm, euclidean, number, steps, terminates
    • Replies: 4
    • Views: 480
    September 9th, 2017, 10:31 Go to last post
  27. Product of integers that are relatively prime to m

    Started by evinda, September 2nd, 2017 03:52
    3 Pages
    1 2 3
    cdot, cdots, equiv, pmodm$, show
    • Replies: 22
    • Views: 1,189
    September 9th, 2017, 09:46 Go to last post
  28. Check if N is composite

    Started by evinda, July 31st, 2017 18:36
    3 Pages
    1 2 3
    $n$, $r$, $x+a^n$, composite, remainder
    • Replies: 29
    • Views: 1,337
    September 4th, 2017, 05:41 Go to last post
  29. Fermat's Last Theorem

    Started by Angel1, July 10th, 2017 11:10
    fermats, length, theorem, thought, triangle
    • Replies: 3
    • Views: 403
    July 10th, 2017, 11:37 Go to last post
  30. e^(π) and π^(e)

    Started by RTCNTC, May 15th, 2017 10:44
    π^e, 3.1, approximately, e^π, multiply
    • Replies: 2
    • Views: 446
    June 7th, 2017, 12:55 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 ...
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3Poirot4.012Congruence equation
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4tmt3.09Alll Positive Integers proof b...
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
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8Guest1.03Hard remainder problem
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8e2theipi20261.03Equivalent Goldbach proof impo...
9conscipost0.72Unit sum composed of unit frac...
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9sweatingbear0.72Proof review: x - y = 270
9Yuuki0.72Weight and distance of a binar...
9crypt500.72Least residue
9CONRADDODD0.72Proving irrationality
9RLBrown0.72A Vedic Math method
9Ciaran0.726 digit numbers
9Deanmark0.72Find Last Two Digits
10The Chaz0.31Composites
10Yankel0.31Rsa
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10dwsmith0.31Repeating decimals (sic) in ba...
10Sudharaka0.31Fermat's Little Theorem
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10princeps0.31Fermat pseudoprimes
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10bamuelsanks0.31The little theorem and its imp...
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10ATroelstein0.31Euler's theorem for calculatin...
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10nicodemus0.31Help needed in proving of Bezo...
10meow910060.31Generalized Fibonacci and Luca...
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10zekhnini0.31the 2-rank of a field
10Loiz0.31maximal ideal
10yourskadhir0.31Odd composite property 1
10Albert0.31Two identities
10johng0.31Half factorials
10cbarr0.31Minimum number of twin primes
10Impo0.31Decoding
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
10Pranav0.31Remainder when divided by 29
10nano0.31Divisibility Problems
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10magneto0.31Descriptive numbers
10wreader0.31Math History question - Fibona...
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10Aryth0.31A Strange Identity
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10Hud1230.31Norms of primes
10kp1005910.31
10VeryWell0.31Diophantine Equations With Thr...
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10Olok0.31Why more than 2^(99)
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10javi4100.31primes of the form x^2 + 3y^2
10Kubik0.31Two problems
10Panda0.31Prime Versus Irreducible Numbe...
10Terry0.31Can someone give a simple expl...
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10steenis0.31About a variant of the Chinese...
10karseme0.31Prove that \sqrt{n+\sqrt{n}} i...
10Garan0.31Number Theory for Electronic S...
10conway0.31Numerical Superposition
10RTCNTC0.31e^(π) and π^(e)
10Acquirer0.31Appending a number to itself n...
10Anantharaman0.31C++ program for give equations...
10Angel10.31Fermat's Last Theorem
10tonyfoster0.31How would I prove this by indu...
10Elize880.31Level surface
10ertagon20.31Cryptography: RSA Message decr...
10johnny0090.31proof & structure in Maths
10TinaSprout0.31Prove a number is divisible by...
10Smb0.31Could you please help me with ...
10Zebobez0.31Solution to the Riemann Hypoth...
10Alexis870.31GCD proving help
10mathpleb0.31Odd math problem
10cshao1230.31Induction problem-please help!
10Alexthexela0.31Finding last digits of 983389^...
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