# Number Theory Forum

Number Theory Help Forum

1. ### Proof of equality in the Natural Numbers

• Replies: 1
• Views: 437
Feb 15th 2011, 02:39 AM
2. ### Integer Inequality Proofs

• Replies: 1
• Views: 548
Feb 15th 2011, 02:37 AM
3. ### Any thoughts on this Proof?

• Replies: 1
• Views: 463
Feb 14th 2011, 02:38 PM
4. ### paritioning a number into two sets based on sum of digits

• Replies: 1
• Views: 576
Feb 13th 2011, 02:43 AM
5. ### Sum of quadratic residues

• Replies: 0
• Views: 769
Feb 11th 2011, 10:05 PM
6. ### How do i deal with fractions when using Modulo?

• Replies: 3
• Views: 1,456
Feb 11th 2011, 01:25 PM
7. ### Show that rational numbers correspond to decimals

• Replies: 3
• Views: 1,514
Feb 11th 2011, 04:50 AM
8. ### Problem dealing with Euclidean Algorithm/gcd

• Replies: 1
• Views: 553
Feb 10th 2011, 07:56 PM
9. ### Divisibility of 0

• Replies: 3
• Views: 459
Feb 10th 2011, 03:29 AM
10. ### Multiplicative Identity Proof

• Replies: 1
• Views: 713
Feb 9th 2011, 02:30 PM
11. ### When is 2 a quadratic residue?

• Replies: 8
• Views: 2,994
Feb 8th 2011, 05:49 PM
12. ### Automorphic Numbers

• Replies: 0
• Views: 832
Feb 8th 2011, 12:41 PM
13. ### Find complete set of integer solutions

• Replies: 4
• Views: 1,112
Feb 7th 2011, 09:08 PM
14. ### Any good number theory sites?

• Replies: 2
• Views: 601
Feb 7th 2011, 07:33 AM
15. ### Euclid's Lemma Proof by Induction

• Replies: 2
• Views: 1,951
Feb 7th 2011, 01:25 AM
16. ### 3digit numbers that are multiples of 7 with individual digits that add to 7.

• Replies: 4
• Views: 760
Feb 6th 2011, 05:49 PM
17. ### number theory

• Replies: 1
• Views: 481
Feb 6th 2011, 05:39 PM
18. ### The Division Algorithm 2

• Replies: 2
• Views: 570
Feb 5th 2011, 12:18 PM
19. ### Prove prime p divides infinitely many members of 1, 11, 111, 1111...

• Replies: 2
• Views: 3,710
Feb 5th 2011, 06:43 AM
20. ### Euler Function Proof

• Replies: 3
• Views: 992
Feb 5th 2011, 12:04 AM
21. ### Computing square roots modulo prime powers

• Replies: 0
• Views: 599
Feb 3rd 2011, 07:50 PM
22. ### The Division Algorithm

• Replies: 3
• Views: 551
Feb 3rd 2011, 04:52 PM
23. ### evaluating pi and e from integer series like golden ratio

• Replies: 2
• Views: 719
Feb 3rd 2011, 12:40 PM
24. ### modulo question

• Replies: 1
• Views: 359
Feb 3rd 2011, 12:11 PM
25. ### modulo question

• Replies: 4
• Views: 640
Feb 3rd 2011, 12:04 PM
26. ### proof that if a square is even then the root is too.

• Replies: 7
• Views: 1,326
Feb 3rd 2011, 11:55 AM
27. ### How many positive integers divide 3^3*5^5*7^7

• Replies: 1
• Views: 931
Feb 3rd 2011, 06:13 AM
28. ### Give a combinatorial proof

• Replies: 3
• Views: 729
Feb 3rd 2011, 02:41 AM
29. ### Hensel's Lemma

• Replies: 0
• Views: 696
Feb 2nd 2011, 03:28 PM
30. ### Polynomial ring

• Replies: 3
• Views: 609
Feb 2nd 2011, 01:30 PM

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