# Number Theory Forum

Number Theory Help Forum

1. ### Proving the irrationality of the sum of non perfect square roots?

• Replies: 4
• Views: 715
Oct 5th 2010, 11:39 AM
2. ### Counterexample Help

• Replies: 7
• Views: 1,116
Oct 5th 2010, 08:24 AM
3. ### [SOLVED] Help with a problem involving the GCD, LCM.

• Replies: 2
• Views: 1,053
Oct 4th 2010, 08:11 PM
4. ### Proving step to full proof

• Replies: 6
• Views: 728
Oct 3rd 2010, 11:12 PM
5. ### [SOLVED] Prove: each square is the sum of 2 consecutive triangular numbers

• Replies: 7
• Views: 1,210
Oct 2nd 2010, 02:13 PM
6. ### Ramunjan

• Replies: 1
• Views: 553
Oct 2nd 2010, 05:32 AM
7. ### Fermat Quotient

• Replies: 0
• Views: 697
Oct 1st 2010, 06:49 AM
8. ### [SOLVED] Two questions in class (mod 8)

• Replies: 6
• Views: 1,154
Oct 1st 2010, 05:39 AM
9. ### Euclid's "perfect numbers theorem"

• Replies: 0
• Views: 2,122
Oct 1st 2010, 01:48 AM
10. ### Prime Question

• Replies: 2
• Views: 623
Oct 1st 2010, 12:23 AM
11. ### Remainder Problem

• Replies: 4
• Views: 2,484
Sep 30th 2010, 01:39 PM
12. ### Euclidean Algorithm

• Replies: 2
• Views: 852
Sep 30th 2010, 10:46 AM
13. ### proof pentagonal numbers

• Replies: 1
• Views: 976
Sep 30th 2010, 07:58 AM
14. ### A Couple Problems with Primes

• Replies: 2
• Views: 481
Sep 30th 2010, 07:54 AM
15. ### gcd questions (fairly simple)

• Replies: 3
• Views: 993
Sep 29th 2010, 09:52 PM
16. ### One Congruence Problem

• Replies: 3
• Views: 1,565
Sep 29th 2010, 09:51 PM
17. ### Proving an inequality with summations and binomial coefficients

• Replies: 2
• Views: 696
Sep 29th 2010, 05:43 PM
18. ### Show gcf(a,b) = gcf(a,c) = 1 => gcf(a,bc) = 1

• Replies: 3
• Views: 1,079
Sep 29th 2010, 04:53 PM
19. ### Multiples of any natural number - only with 1,0 as digits

• Replies: 3
• Views: 1,078
Sep 29th 2010, 07:11 AM
20. ### Goldbach Conjecture

• Replies: 1
• Views: 696
Sep 28th 2010, 10:01 PM
21. ### proof with perfect and prime numbers

• Replies: 1
• Views: 763
Sep 28th 2010, 07:46 PM
22. ### Binet's formula

• Replies: 1
• Views: 1,249
Sep 28th 2010, 01:13 PM
23. ### Sets of integers, different sums

• Replies: 1
• Views: 499
Sep 28th 2010, 09:50 AM
24. ### [SOLVED] Can someone help with a proof involving Euler's phi function?

• Replies: 1
• Views: 966
Sep 27th 2010, 09:25 PM
25. ### Equation with prime numbers

• Replies: 2
• Views: 623
Sep 27th 2010, 10:55 AM
26. ### Proof

• Replies: 1
• Views: 372
Sep 27th 2010, 10:17 AM
27. ### Number of solutions of x^2 + xy + y^2 = 27 in Q

• Replies: 3
• Views: 832
Sep 27th 2010, 12:37 AM
28. ### find the quotient and remainder

• Replies: 2
• Views: 691
Sep 26th 2010, 06:12 PM
29. ### Fermats Little Theorem

• Replies: 6
• Views: 602
Sep 25th 2010, 04:18 PM

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