# Number Theory Forum

Number Theory Help Forum

1. ### Large integers to binary format

• Replies: 10
• Views: 1,053
Jul 18th 2010, 02:00 PM
2. ### [SOLVED] 76x+176y=276

• Replies: 1
• Views: 507
Jul 16th 2010, 05:28 PM
3. ### [SOLVED] Self-Invertible

• Replies: 2
• Views: 616
Jul 16th 2010, 02:38 PM
4. ### [SOLVED] Every prime > 3 is congruent to \pm 1 mod 6

• Replies: 7
• Views: 1,495
Jul 16th 2010, 06:50 AM
5. ### Finding the remainder

• Replies: 12
• Views: 922
Jul 16th 2010, 03:34 AM

• Replies: 0
• Views: 702
Jul 15th 2010, 07:29 AM
7. ### Golden Ratios (Q Fields)

• Replies: 10
• Views: 670
Jul 14th 2010, 06:46 AM
8. ### Help to prove 5^n+5 < 5^(n+1)

• Replies: 4
• Views: 630
Jul 14th 2010, 02:24 AM
9. ### Need Help with proof

• Replies: 1
• Views: 664
Jul 13th 2010, 01:50 PM
10. ### Another proof by induction.

• Replies: 5
• Views: 645
Jul 13th 2010, 01:37 PM
11. ### Maximum error in the Prime Number Theorem

• Replies: 2
• Views: 822
Jul 13th 2010, 08:31 AM
12. ### [SOLVED] Prove that every ne N can be written as a product of an odd integer and a power of 2.

• Replies: 1
• Views: 606
Jul 13th 2010, 07:54 AM
13. ### Help needed.

• Replies: 2
• Views: 635
Jul 13th 2010, 06:02 AM
14. ### Help with prime number and modulo

• Replies: 6
• Views: 742
Jul 12th 2010, 11:10 PM
15. ### Why this inequation?

• Replies: 3
• Views: 799
Jul 12th 2010, 09:55 PM
16. ### [SOLVED] Let p be odd. Then 2(p-3)!\equiv -1 (mod p)

• Replies: 5
• Views: 779
Jul 12th 2010, 03:42 PM
17. ### fibonacci series - a slight variant

• Replies: 5
• Views: 842
Jul 12th 2010, 02:59 AM
18. ### Divisibility of central binomial coefficient

• Replies: 18
• Views: 1,817
Jul 11th 2010, 08:43 PM
19. ### p=2^k+1 and (a/p)=-1 imply a is primitive modulo p

• Replies: 1
• Views: 581
Jul 11th 2010, 07:34 AM
20. ### let a be a solution of x^2\equiv 1 (mod m). Show that m-a is also a solution.

• Replies: 2
• Views: 925
Jul 10th 2010, 05:38 PM
21. ### [SOLVED] x^2\equiv 1 (mod p) and x^2\equiv 1 (mod q), where p and q are distinct primes

• Replies: 2
• Views: 1,003
Jul 10th 2010, 05:14 PM
22. ### Sequence

• Replies: 8
• Views: 652
Jul 9th 2010, 07:43 PM
23. ### Very tricky and interesting modular question

• Replies: 6
• Views: 891
Jul 9th 2010, 07:41 PM
24. ### Euler's Lucky number

• Replies: 19
• Views: 2,389
Jul 9th 2010, 10:41 AM
25. ### Magic Squares with Magic "Subsquares"

• Replies: 14
• Views: 1,681
Jul 9th 2010, 10:21 AM
26. ### Number of congruence classes

• Replies: 0
• Views: 578
Jul 9th 2010, 12:27 AM
27. ### [SOLVED] 2n^3+3n^2+n\equiv 0 (mod 6)

• Replies: 4
• Views: 727
Jul 8th 2010, 11:44 PM

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