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Forum: Number Theory

Number Theory Help Forum

  1. Triangular Factorials proof

    obinnaokechukwu
    factorials, proof, triangular
    • Replies: 1
    • Views: 267
    Chris11
    June 9th 2011, 11:18 AM Go to last post

  2. Breaking a stick of lenght of power of 2

    pranay
    breaking, lenght, power, stick
    • Replies: 1
    • Views: 182
    Croat
    June 8th 2011, 10:01 AM Go to last post

  3. congruence, relation x^2+y^2=Z^2, then 60|xyz

    Shurelia
    60|xyz, congruence, relation, y2z2
    • Replies: 1
    • Views: 241
    Croat
    June 8th 2011, 08:51 AM Go to last post

  4. Congruence, prime number, integer

    Shurelia
    congruence, integer, number, prime
    • Replies: 1
    • Views: 211
    TheEmptySet
    June 8th 2011, 08:10 AM Go to last post

  5. About Z as cyclic group??

    goroner
    cyclic, group
    • Replies: 2
    • Views: 251
    Chris11
    June 7th 2011, 06:06 PM Go to last post

  6. [SOLVED] Fibonacci Number Proof

    VinceW
    • Replies: 3
    • Views: 237
    Renji Rodrigo
    June 7th 2011, 07:52 AM Go to last post

  7. Three-digit numbers

    tavasanis
    numbers, threedigit
    • Replies: 0
    • Views: 190
    tavasanis
    June 6th 2011, 10:50 PM Go to last post

  8. Can the ratio of a non-existent number to an imaginary number....

    sfspitfire23
    imaginary, nonexistent, number, ratio
    • Replies: 2
    • Views: 208
    Deveno
    June 6th 2011, 06:39 PM Go to last post

  9. hurwitz zeta function

    klw289
    function, hurwitz, zeta
    • Replies: 2
    • Views: 289
    Renji Rodrigo
    June 5th 2011, 04:59 PM Go to last post

  10. Finding the last two decimal places.....

    breitling
    decimal, finding, places
    • Replies: 0
    • Views: 199
    breitling
    June 5th 2011, 10:46 AM Go to last post

  11. Fibonaci sequence terms.

    joi
    fibonaci, sequence, terms
    • Replies: 9
    • Views: 360
    Renji Rodrigo
    June 4th 2011, 05:32 AM Go to last post

  12. Sum of Reciprocal of primes

    klw289
    primes, reciprocal, sum
    • Replies: 3
    • Views: 324
    chisigma
    June 3rd 2011, 07:07 AM Go to last post

  13. Stirling numbers - hard proofs

    Krakowie
    hard, numbers, proofs, stirling
    • Replies: 4
    • Views: 275
    Renji Rodrigo
    June 2nd 2011, 06:03 PM Go to last post

  14. finding a number

    pranay
    finding, number
    • Replies: 0
    • Views: 151
    pranay
    June 2nd 2011, 10:10 AM Go to last post

  15. [SOLVED] b=aq+r then gcd(b,a)=gcd(a,r)

    dwsmith
    • Replies: 2
    • Views: 464
    scruz10
    May 31st 2011, 03:30 PM Go to last post

  16. modulo arithmetic proof

    freakmoister
    arithmetic, modulo, proof
    • Replies: 1
    • Views: 187
    Deveno
    May 31st 2011, 08:27 AM Go to last post

  17. Remainder when dividing by 49.

    rtblue
    dividing, remainder
    • Replies: 1
    • Views: 229
    Also sprach Zarathustra
    May 29th 2011, 03:18 PM Go to last post

  18. Sums, logarithms and harmonic numbers identity which I don't understand

    Krakowie
    harmonic, identity, logarithms, numbers, sums, understand
    • Replies: 2
    • Views: 304
    Krakowie
    May 28th 2011, 02:34 PM Go to last post

  19. Is there any easy way to find the remainders of very large integer divisions?

    krishna3264
    2 Pages •
    1 2
    divisions, easy, integer, large, remainders
    • Replies: 15
    • Views: 473
    krishna3264
    May 27th 2011, 09:42 PM Go to last post

  20. Difficult number sequences

    dxdy
    difficult, number, sequences
    • Replies: 4
    • Views: 593
    mr fantastic
    May 27th 2011, 05:37 PM Go to last post

  21. Understanding Modulo Arithmetic

    garunas
    arithmetic, modulo, understanding
    • Replies: 3
    • Views: 305
    Tarask
    May 26th 2011, 02:34 PM Go to last post

  22. [SOLVED] gcd proof

    dwsmith
    • Replies: 2
    • Views: 240
    Deveno
    May 25th 2011, 12:59 PM Go to last post

  23. [SOLVED] gcd(a,b)=1 and c|a

    dwsmith
    • Replies: 3
    • Views: 193
    dwsmith
    May 24th 2011, 07:20 PM Go to last post

  24. [SOLVED] gcd(a,b)=a

    dwsmith
    • Replies: 3
    • Views: 135
    emakarov
    May 24th 2011, 12:52 PM Go to last post

  25. Finding all natural numbers under a condition

    pranay
    condition, finding, natural, numbers
    • Replies: 1
    • Views: 208
    Opalg
    May 23rd 2011, 10:43 AM Go to last post

  26. Extra Solutions of a Quadratic Diophantine Equation

    topsquark
    diophantine, equation, extra, quadratic, solutions
    • Replies: 3
    • Views: 382
    PaulRS
    May 21st 2011, 05:20 AM Go to last post

  27. Integers

    barhin
    integers
    • Replies: 4
    • Views: 364
    Soroban
    May 20th 2011, 11:23 AM Go to last post

  28. Moved: Group theory questions

    Duke
    group, questions, theory
    •  
    •  

  29. Least Common Multiple Solution

    barhin
    common, multiple, solution
    • Replies: 1
    • Views: 269
    Opalg
    May 17th 2011, 11:58 PM Go to last post

  30. Extended Euclidean Algorithm

    sirellwood
    algorithm, euclidean, extended
    • Replies: 1
    • Views: 282
    spiral
    May 17th 2011, 07:27 AM Go to last post

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