Number Theory Forum

Number Theory Help Forum

  1. incongruent integers

    dori1123
    incongruent, integers
    • Replies: 1
    • Views: 1,033
    Bruno J.
    Oct 8th 2009, 05:43 PM Go to last post

  2. proof of infinite n's s.t. sqrt(n) = irrational

    mart1n
    infinite, irrational, proof, sqrtn
    • Replies: 8
    • Views: 3,648
    Matt Westwood
    Oct 8th 2009, 01:46 PM Go to last post

  3. square root of 1 (mod n). How to give a proof??

    jacquelinek
    mod, proof, root, square
    • Replies: 3
    • Views: 978
    kobulingam
    Oct 7th 2009, 11:35 PM Go to last post

  4. Strong psuedoprime test related question

    kobulingam
    psuedoprime, question, related, strong, test
    • Replies: 0
    • Views: 452
    kobulingam
    Oct 7th 2009, 10:27 PM Go to last post

  5. systems of congruences

    ilikecandy
    congruences, systems
    • Replies: 3
    • Views: 913
    aidan
    Oct 7th 2009, 08:07 PM Go to last post

  6. Post 3 probably simple questions

    ChrisBickle
    questions, simple
    • Replies: 2
    • Views: 839
    ChrisBickle
    Oct 7th 2009, 06:00 PM Go to last post

  7. Modular Multiplicative Inverse

    Aquafina
    inverse, modular, multiplicative
    • Replies: 6
    • Views: 1,662
    tonio
    Oct 6th 2009, 12:56 PM Go to last post

  8. prove that the binomial (p-1) over k is congruent to -1^k modulo p

    wzelenty
    binomial, congruent, modulo, prove
    • Replies: 1
    • Views: 935
    Bruno J.
    Oct 5th 2009, 11:11 PM Go to last post

  9. How to find a basis for the space of cusp form of congruence subgroups

    chipai
    basis, congruence, cusp, form, space, subgroups
    • Replies: 0
    • Views: 534
    chipai
    Oct 5th 2009, 09:49 PM Go to last post

  10. Division problem

    streethot
    division, problem
    • Replies: 1
    • Views: 761
    tonio
    Oct 5th 2009, 07:29 PM Go to last post

  11. order

    dori1123
    order
    • Replies: 1
    • Views: 419
    PaulRS
    Oct 5th 2009, 04:48 PM Go to last post

  12. [SOLVED] Prove that a^p is congruent to b^p (mod p^2) if the same is true mod p

    hatsoff
    congruent, mod, prove, solved, true
    • Replies: 2
    • Views: 5,307
    Bruno J.
    Oct 5th 2009, 03:02 PM Go to last post

  13. complete residue modulo

    comssa
    complete, modulo, residue
    • Replies: 5
    • Views: 911
    Bruno J.
    Oct 5th 2009, 02:53 PM Go to last post

  14. Two problems with Fermat and Wilson

    kyldn6
    fermat, problems, wilson
    • Replies: 1
    • Views: 1,607
    tonio
    Oct 5th 2009, 02:48 PM Go to last post

  15. Asymptotic behavior of the number of perfect squares less than x

    ordinalhigh
    asymptotic, behavior, number, perfect, squares
    • Replies: 1
    • Views: 594
    Media_Man
    Oct 5th 2009, 12:39 PM Go to last post

  16. Factoring large primes

    posix_memalign
    factoring, large, primes
    • Replies: 1
    • Views: 890
    aidan
    Oct 5th 2009, 03:19 AM Go to last post

  17. Finding square roots mod n

    posix_memalign
    finding, mod, roots, square
    • Replies: 5
    • Views: 2,125
    aidan
    Oct 5th 2009, 02:48 AM Go to last post

  18. Prove

    dhiab
    prove
    • Replies: 3
    • Views: 567
    Bingk
    Oct 5th 2009, 12:36 AM Go to last post

  19. Given any 12 natural numbers...

    billym
    natural, numbers
    • Replies: 2
    • Views: 682
    Plato
    Oct 4th 2009, 11:50 AM Go to last post

  20. x^2=1

    james_bond
    x21
    • Replies: 1
    • Views: 447
    ialbrekht
    Oct 4th 2009, 06:04 AM Go to last post

  21. Proof n^2 + n is even

    veturi
    proof
    • Replies: 8
    • Views: 857
    Renji Rodrigo
    Oct 4th 2009, 03:28 AM Go to last post

  22. Sum

    usagi_killer
    sum
    • Replies: 1
    • Views: 424
    aman_cc
    Oct 4th 2009, 01:22 AM Go to last post

  23. [SOLVED] Help with powers and roots

    Noxide
    powers, roots, solved
    • Replies: 4
    • Views: 880
    Noxide
    Oct 3rd 2009, 11:41 PM Go to last post

  24. Wink Division by 9 in five seconds!!!

    player007
    division, seconds 4 Attachment(s)
    • Replies: 1
    • Views: 771
    Unenlightened
    Oct 3rd 2009, 12:31 PM Go to last post

  25. Binomial sum

    streethot
    binomial, sum
    • Replies: 2
    • Views: 393
    Renji Rodrigo
    Oct 3rd 2009, 09:09 AM Go to last post

  26. Primes and Squares again

    dlbsd
    primes, squares
    • Replies: 6
    • Views: 524
    aman_cc
    Oct 3rd 2009, 07:16 AM Go to last post

  27. Prove that if p is an odd prime, 1^2 * 3^2 ...(p-2)^2 = (-1)^(p+1)/2 (mod p)

    keityo
    1 or 2, mod, odd, p22, prime, prove
    • Replies: 3
    • Views: 3,647
    PaulRS
    Oct 3rd 2009, 05:18 AM Go to last post

  28. Last 2 digits of 3^400

    ilikecandy
    digits
    • Replies: 3
    • Views: 5,740
    Matt Westwood
    Oct 2nd 2009, 03:39 PM Go to last post

  29. Sum of the factors

    skyskiers
    factors, sum
    • Replies: 4
    • Views: 741
    skyskiers
    Oct 2nd 2009, 02:05 PM Go to last post

  30. Primes and Squares

    dlbsd
    primes, squares
    • Replies: 1
    • Views: 875
    aman_cc
    Oct 2nd 2009, 12:00 AM Go to last post

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