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Forum: Number Theory

Number Theory Help Forum

  1. How many positive integers divide 3^3*5^5*7^7

    mbmstudent
    divide, group theory, integers, positive
    • Replies: 1
    • Views: 261
    Plato
    February 3rd 2011, 06:13 AM Go to last post

  2. Give a combinatorial proof

    KrazEcat01
    combinatorial, proof
    • Replies: 3
    • Views: 411
    PaulRS
    February 3rd 2011, 02:41 AM Go to last post

  3. Hensel's Lemma

    slevvio
    hensel, lemma
    • Replies: 0
    • Views: 276
    slevvio
    February 2nd 2011, 03:28 PM Go to last post

  4. Polynomial ring

    VonNemo19
    polynomial, ring
    • Replies: 3
    • Views: 174
    emakarov
    February 2nd 2011, 01:30 PM Go to last post

  5. Z is not a field.

    VonNemo19
    field
    • Replies: 3
    • Views: 561
    TheEmptySet
    February 2nd 2011, 10:25 AM Go to last post

  6. Group Theory - Prove that for ab-cd=1, there is no cancellation for (a+c)/(b+d)

    juanma101285
    abcd1, c or b, cancellation, group, group theory, prove, theory
    • Replies: 1
    • Views: 308
    roninpro
    February 2nd 2011, 08:29 AM Go to last post

  7. Prove a large number is prime

    juanma101285
    large, number, prime, prime number, prove
    • Replies: 9
    • Views: 368
    Bacterius
    February 1st 2011, 10:17 PM Go to last post

  8. [SOLVED] number theory: proof required!

    Whiskyfied
    • Replies: 2
    • Views: 246
    chiph588@
    February 1st 2011, 02:42 PM Go to last post

  9. Smile Reducing number of divisions!

    gauravjain
    divisions, number, reducing
    • Replies: 3
    • Views: 415
    HallsofIvy
    January 31st 2011, 11:05 AM Go to last post

  10. Is this easily solvable without a computer?

    paupsers
    easily, solvable
    • Replies: 3
    • Views: 242
    Soroban
    January 30th 2011, 08:21 PM Go to last post

  11. Help with proof

    JSB1917
    proof
    • Replies: 4
    • Views: 229
    Plato
    January 30th 2011, 07:14 AM Go to last post

  12. Modulo of fibonacci sequence

    gdmath
    fibonacci, modulo, sequence
    • Replies: 1
    • Views: 352
    FernandoRevilla
    January 29th 2011, 02:08 AM Go to last post

  13. GCD question

    gutnedawg
    gcd, question
    • Replies: 6
    • Views: 249
    melese
    January 28th 2011, 06:53 AM Go to last post

  14. irrational numbers

    fxs12
    irrational, numbers
    • Replies: 3
    • Views: 223
    Prove It
    January 28th 2011, 12:49 AM Go to last post

  15. Addition of inequalities for real numbers

    Alfie
    addition, inequalities, numbers, real
    • Replies: 6
    • Views: 211
    HallsofIvy
    January 26th 2011, 05:14 PM Go to last post

  16. two's complement

    nameck
    complement
    • Replies: 2
    • Views: 423
    Archie Meade
    January 26th 2011, 02:06 PM Go to last post

  17. Proof by Induction

    kathrynmath
    induction, proof
    • Replies: 2
    • Views: 161
    tonio
    January 25th 2011, 06:48 PM Go to last post

  18. Prove composite number has a prime divisor

    kathrynmath
    composite, divisor, number, prime, prove
    • Replies: 3
    • Views: 311
    kathrynmath
    January 25th 2011, 04:44 PM Go to last post

  19. Diophantine equation problem.

    TCKony
    diophantine, equation, problem
    • Replies: 2
    • Views: 198
    TCKony
    January 25th 2011, 12:55 PM Go to last post

  20. Quadratic Integers Proof

    elemental
    integers, proof, quadratic
    • Replies: 0
    • Views: 205
    elemental
    January 24th 2011, 04:49 PM Go to last post

  21. Publishing prime pattern - question?

    orange gold
    pattern, prime, publishing, question
    • Replies: 9
    • Views: 317
    Bruno J.
    January 23rd 2011, 02:00 PM Go to last post

  22. Quadratic Diophantine equation

    Greg98
    diophantine, equation, quadratic
    • Replies: 1
    • Views: 194
    roninpro
    January 23rd 2011, 11:43 AM Go to last post

  23. Help with divisibility proof

    paupsers
    divisibility, proof
    • Replies: 2
    • Views: 207
    undefined
    January 23rd 2011, 11:39 AM Go to last post

  24. Prove if ad - bc = 1 or -1, then gcd(a+b, c+d) = 1

    uberbandgeek6
    gcda, prove
    • Replies: 3
    • Views: 690
    melese
    January 23rd 2011, 09:41 AM Go to last post

  25. Unhappy [SOLVED] Need some help with complex functions... :(

    sedam7
    • Replies: 3
    • Views: 181
    FernandoRevilla
    January 23rd 2011, 03:44 AM Go to last post

  26. Non-algebraic pattern - multiplication by 11 - decimology.

    orange gold
    decimology, multiplication, nonalgebraic, pattern
    • Replies: 9
    • Views: 535
    Bruno J.
    January 21st 2011, 12:45 PM Go to last post

  27. Fibonacci Sequence - Induction Proof

    WWU
    fibonacci, induction, proof, sequence
    • Replies: 2
    • Views: 732
    chiph588@
    January 19th 2011, 03:41 PM Go to last post

  28. Help with elem. proof

    paupsers
    elem, proof
    • Replies: 6
    • Views: 256
    paupsers
    January 19th 2011, 12:42 PM Go to last post

  29. Unhappy Fermat's little theorem help!

    nhunhu9
    fermat, theorem
    • Replies: 4
    • Views: 224
    Drexel28
    January 17th 2011, 08:16 PM Go to last post

  30. Cannot find the contradiction

    slevvio
    contradiction
    • Replies: 4
    • Views: 271
    slevvio
    January 17th 2011, 03:35 AM Go to last post

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