# Number Theory Forum

Number Theory Help Forum

1. ### Proving an inequality with summations and binomial coefficients

• Replies: 2
• Views: 667
Sep 29th 2010, 05:43 PM
2. ### Show gcf(a,b) = gcf(a,c) = 1 => gcf(a,bc) = 1

• Replies: 3
• Views: 1,027
Sep 29th 2010, 04:53 PM
3. ### Multiples of any natural number - only with 1,0 as digits

• Replies: 3
• Views: 1,013
Sep 29th 2010, 07:11 AM
4. ### Goldbach Conjecture

• Replies: 1
• Views: 624
Sep 28th 2010, 10:01 PM
5. ### proof with perfect and prime numbers

• Replies: 1
• Views: 714
Sep 28th 2010, 07:46 PM
6. ### Binet's formula

• Replies: 1
• Views: 1,160
Sep 28th 2010, 01:13 PM
7. ### Sets of integers, different sums

• Replies: 1
• Views: 463
Sep 28th 2010, 09:50 AM
8. ### [SOLVED] Can someone help with a proof involving Euler's phi function?

• Replies: 1
• Views: 903
Sep 27th 2010, 09:25 PM
9. ### Equation with prime numbers

• Replies: 2
• Views: 592
Sep 27th 2010, 10:55 AM
10. ### Proof

• Replies: 1
• Views: 347
Sep 27th 2010, 10:17 AM
11. ### Number of solutions of x^2 + xy + y^2 = 27 in Q

• Replies: 3
• Views: 803
Sep 27th 2010, 12:37 AM
12. ### find the quotient and remainder

• Replies: 2
• Views: 646
Sep 26th 2010, 06:12 PM
13. ### Fermats Little Theorem

• Replies: 6
• Views: 548
Sep 25th 2010, 04:18 PM
14. ### [SOLVED] Prove: if (a,b,c) is a Pythagorean triple, then a and b cannot both be odd

• Replies: 1
• Views: 666
Sep 25th 2010, 10:38 AM
15. ### Any set of m positive integers contains a nonempty subset whose sum is ...

• Replies: 9
• Views: 2,310
Sep 24th 2010, 06:27 AM
16. ### [SOLVED] proving the existence of "e"

• Replies: 6
• Views: 588
Sep 24th 2010, 05:51 AM
17. ### Can someone help me understand these problems please? Should be fairly simple...

• Replies: 6
• Views: 797
Sep 24th 2010, 05:47 AM
18. ### Simple Proof Question

• Replies: 1
• Views: 424
Sep 23rd 2010, 10:23 PM
19. ### [SOLVED] Existence proof

• Replies: 6
• Views: 852
Sep 23rd 2010, 09:18 AM
20. ### A Couple Problems with Primes

• Replies: 5
• Views: 485
Sep 22nd 2010, 10:02 PM
21. ### Primes in Q Fields with Norms less than 6 (Interesting!)

• Replies: 12
• Views: 1,239
Sep 22nd 2010, 02:43 AM

• Replies: 0
• Views: 340
Sep 21st 2010, 07:23 AM
23. ### Ordered Pairs Question

• Replies: 3
• Views: 473
Sep 20th 2010, 09:31 PM
24. ### Divisability Theorem

• Replies: 7
• Views: 413
Sep 20th 2010, 07:32 PM
25. ### Evaluting Binomial Coefficients that contain fractions?

• Replies: 1
• Views: 1,986
Sep 20th 2010, 05:29 AM
26. ### Prove by using Binomial Theorem

• Replies: 3
• Views: 538
Sep 20th 2010, 02:33 AM
27. ### Modular Arithmetic

• Replies: 3
• Views: 605
Sep 19th 2010, 02:47 AM
28. ### Prime numbers.

• Replies: 2
• Views: 643
Sep 18th 2010, 04:42 PM
29. ### Divisibility Problem(2)

• Replies: 3
• Views: 655
Sep 18th 2010, 01:02 PM

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