Number Theory Forum

Number Theory Help Forum

  1. Last 2 digits of 3^400

    ilikecandy
    digits
    • Replies: 3
    • Views: 4,194
    Matt Westwood
    Oct 2nd 2009, 03:39 PM Go to last post

  2. Sum of the factors

    skyskiers
    factors, sum
    • Replies: 4
    • Views: 680
    skyskiers
    Oct 2nd 2009, 02:05 PM Go to last post

  3. Primes and Squares

    dlbsd
    primes, squares
    • Replies: 1
    • Views: 689
    aman_cc
    Oct 2nd 2009, 12:00 AM Go to last post

  4. Fibonnaci numbers

    commerce-calc
    fibonnaci, numbers
    • Replies: 1
    • Views: 553
    malaygoel
    Oct 1st 2009, 02:12 AM Go to last post

  5. Proof question

    koukou8617
    proof, question
    • Replies: 2
    • Views: 515
    koukou8617
    Sep 30th 2009, 06:41 PM Go to last post

  6. Square integer

    dhiab
    integer, square
    • Replies: 1
    • Views: 669
    pomp
    Sep 29th 2009, 05:10 AM Go to last post

  7. [SOLVED] Divisibility property of a prime's central binomial coefficient

    russel
    binomial, central, coefficient, divisibility, modulus, prime, property, solved
    • Replies: 6
    • Views: 830
    Bruno J.
    Sep 28th 2009, 04:16 PM Go to last post

  8. A prime number problem

    Normis
    number, prime, problem
    • Replies: 4
    • Views: 550
    artvandalay11
    Sep 28th 2009, 02:13 PM Go to last post

  9. A nice reciprocity theorem

    mathman88
    nice, reciprocity, theorem
    • Replies: 0
    • Views: 412
    mathman88
    Sep 28th 2009, 11:16 AM Go to last post

  10. Need to finish this question by matlab? please help

    waterboy1203
    finish, matlab, question
    • Replies: 3
    • Views: 520
    Bruno J.
    Sep 28th 2009, 09:14 AM Go to last post

  11. proof about ....

    koukou8617
    proof
    • Replies: 2
    • Views: 532
    Defunkt
    Sep 28th 2009, 05:13 AM Go to last post

  12. Twin Prime Conjecture - Visual Proof

    vengy
    conjecture, prime, proof, twin, visual
    • Replies: 3
    • Views: 638
    mr fantastic
    Sep 28th 2009, 04:50 AM Go to last post

  13. two definitions of Carmichael numbers

    kobulingam
    carmichael, definitions, numbers
    • Replies: 2
    • Views: 663
    kobulingam
    Sep 27th 2009, 10:18 AM Go to last post

  14. could you proof this stasement,please?

    raed
    proof, stasement
    • Replies: 2
    • Views: 491
    Defunkt
    Sep 27th 2009, 05:18 AM Go to last post

  15. confusion with limit theory, involving l'Hopital's rule

    walleye
    confusion, involving, lhopital, limit, rule, theory
    • Replies: 1
    • Views: 911
    CaptainBlack
    Sep 27th 2009, 02:12 AM Go to last post

  16. Prime numbers

    ciccio
    numbers, prime
    • Replies: 1
    • Views: 487
    PaulRS
    Sep 24th 2009, 04:42 PM Go to last post

  17. Cryptography number theory??

    waterboy1203
    cryptography, number, theory
    • Replies: 0
    • Views: 521
    waterboy1203
    Sep 24th 2009, 01:00 PM Go to last post

  18. (n!(j)+1,n!(j)+1)=1 for 1<=i<j<=n

    Jer2145
    1<i&ltj&ltn
    • Replies: 2
    • Views: 509
    Opalg
    Sep 24th 2009, 12:38 AM Go to last post

  19. Find all prime numbers p,q,r such that (p/q)-(4/(r+1))=1

    redcherry
    numbers, p or q4 or r, prime
    • Replies: 1
    • Views: 632
    paweld
    Sep 23rd 2009, 11:37 PM Go to last post

  20. combinatorial problem??

    tanujkush
    combinatorial, problem
    • Replies: 2
    • Views: 655
    tanujkush
    Sep 23rd 2009, 10:29 PM Go to last post

  21. Root finding in three dimensions

    tempest33
    dimensions, finding, root
    • Replies: 3
    • Views: 462
    redsoxfan325
    Sep 20th 2009, 09:06 AM Go to last post

  22. Phi function

    Cairo
    function, phi
    • Replies: 1
    • Views: 485
    Gamma
    Sep 20th 2009, 08:46 AM Go to last post

  23. Independence with mod

    Bingk
    independence, mod
    • Replies: 5
    • Views: 685
    Bingk
    Sep 18th 2009, 10:53 PM Go to last post

  24. Exclamation division theorem

    peng783
    classic algebra, division, theorem
    • Replies: 1
    • Views: 664
    peng783
    Sep 18th 2009, 10:34 AM Go to last post

  25. wats the relation between Fermat, Euler, Euler–Jacobi

    amberxinya
    euler, euler–jacobi, fermat, relation, wats
    • Replies: 0
    • Views: 598
    amberxinya
    Sep 17th 2009, 06:44 PM Go to last post

  26. Check my proof that sqrt{prime} is always irrational

    Jameson
    check, irrational, proof, sqrtprime
    • Replies: 2
    • Views: 637
    Jameson
    Sep 17th 2009, 12:08 PM Go to last post

  27. find triples of positive integers.

    nh149
    integers, positive, triples
    • Replies: 4
    • Views: 651
    nh149
    Sep 17th 2009, 09:02 AM Go to last post

  28. find all prime numbers

    nh149
    numbers, prime
    • Replies: 1
    • Views: 415
    Taluivren
    Sep 16th 2009, 02:38 PM Go to last post

  29. Number theory problem

    offahengaway and chips
    number, problem, theory
    • Replies: 7
    • Views: 806
    PaulRS
    Sep 16th 2009, 02:29 PM Go to last post

  30. Prime factorization question

    ordinalhigh
    factorization, prime, question
    • Replies: 1
    • Views: 471
    Bruno J.
    Sep 16th 2009, 12:12 PM Go to last post

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