# Number Theory Forum

Number Theory Help Forum

1. ### Modular Arithmetic

• Replies: 8
• Views: 749
Oct 31st 2009, 01:56 AM
2. ### Multiples

• Replies: 3
• Views: 1,560
Oct 30th 2009, 10:31 PM
3. ### Difference Operator and the falling factorial power of k

• Replies: 1
• Views: 1,891
Oct 30th 2009, 10:27 AM
4. ### elgamal cryptosystem

• Replies: 3
• Views: 1,016
Oct 29th 2009, 08:12 PM
5. ### Prove divisibility

• Replies: 2
• Views: 415
Oct 29th 2009, 10:54 AM
6. ### Fibonacci numbers - An interesting fact

• Replies: 1
• Views: 491
Oct 29th 2009, 10:32 AM
7. ### minimal power and congruence

• Replies: 1
• Views: 523
Oct 28th 2009, 06:47 PM
8. ### Modern Algebra question

• Replies: 6
• Views: 625
Oct 28th 2009, 04:45 PM
9. ### proof involving least common multiple

• Replies: 5
• Views: 659
Oct 28th 2009, 04:05 PM
10. ### proposition proofs

• Replies: 1
• Views: 724
Oct 28th 2009, 03:33 PM
11. ### proving

• Replies: 2
• Views: 514
Oct 28th 2009, 02:40 PM
12. ### A non-constant polynomial which always takes non-square integers

• Replies: 1
• Views: 716
Oct 28th 2009, 12:37 PM
13. ### Congruence Proofs: Summations

• Replies: 4
• Views: 608
Oct 28th 2009, 09:41 AM
14. ### induction proof, need a little help

• Replies: 6
• Views: 891
Oct 27th 2009, 07:38 PM
15. ### conjugates of algebraic numbers

• Replies: 5
• Views: 818
Oct 27th 2009, 04:51 AM
16. ### Highest Common Factor help

• Replies: 2
• Views: 1,412
Oct 27th 2009, 01:37 AM
17. ### Howmany digits in this prime number?

• Replies: 5
• Views: 522
Oct 27th 2009, 12:52 AM
18. ### torsion group

• Replies: 1
• Views: 731
Oct 26th 2009, 08:28 AM
19. ### elliptic curves: interesting question

• Replies: 0
• Views: 456
Oct 26th 2009, 01:55 AM
20. ### elliptic curves: points of finite order

• Replies: 1
• Views: 877
Oct 26th 2009, 12:22 AM
21. ### Proof with prime numbers

• Replies: 1
• Views: 620
Oct 25th 2009, 08:58 PM
22. ### congruence

• Replies: 1
• Views: 424
Oct 25th 2009, 08:46 PM
23. ### Proofs with prime numbers.

• Replies: 1
• Views: 551
Oct 25th 2009, 08:14 PM
24. ### Prime number proff

• Replies: 1
• Views: 462
Oct 25th 2009, 07:17 PM
25. ### Prove that the square root of a non-square number is irrational

• Replies: 11
• Views: 10,212
Oct 25th 2009, 06:45 PM
26. ### GCD Proof With Squares

• Replies: 3
• Views: 533
Oct 25th 2009, 04:53 PM
27. ### gcd

• Replies: 1
• Views: 360
Oct 25th 2009, 04:16 PM
28. ### Proof: Sets of Residues

• Replies: 1
• Views: 356
Oct 25th 2009, 08:35 AM
29. ### proving

• Replies: 9
• Views: 983
Oct 25th 2009, 08:27 AM
30. ### NOT and AND

• Replies: 5
• Views: 454
Oct 25th 2009, 08:25 AM

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