# Number Theory Forum

Number Theory Help Forum

1. ### Congruences: "The characteristic p binomial theorem"

• Replies: 1
• Views: 667
Feb 7th 2010, 08:51 AM
2. ### Solve a Congruence

• Replies: 1
• Views: 733
Feb 7th 2010, 05:35 AM
3. ### x≡y (mod a) => (x,a)=(y,a)

• Replies: 5
• Views: 787
Feb 7th 2010, 05:05 AM
4. ### Sequence Problem

• Replies: 2
• Views: 396
Feb 6th 2010, 10:03 PM
5. ### Find the rest by division with 7 of the given sum

• Replies: 10
• Views: 674
Feb 6th 2010, 03:27 PM
6. ### Question about encrypting text.

• Replies: 2
• Views: 429
Feb 6th 2010, 02:42 PM
7. ### existence of integers

• Replies: 1
• Views: 394
Feb 6th 2010, 03:44 AM
8. ### Prove if it a Pythagorean triple

• Replies: 2
• Views: 461
Feb 5th 2010, 07:26 PM
9. ### Proof by contradiction

• Replies: 1
• Views: 725
Feb 5th 2010, 04:17 PM
10. ### remainder of [9!(16) + 4311]^8603 divided by 11 ?

• Replies: 2
• Views: 1,148
Feb 5th 2010, 09:38 AM
11. ### Prove that all integers are of the form...

• Replies: 2
• Views: 411
Feb 5th 2010, 05:37 AM
12. ### finding the gcd of two polynomials

• Replies: 0
• Views: 493
Feb 4th 2010, 05:05 PM
13. ### Running Through Positive Divisors

• Replies: 5
• Views: 573
Feb 4th 2010, 09:28 AM
14. ### Equivalance Relations (congruences)

• Replies: 2
• Views: 718
Feb 4th 2010, 06:47 AM
15. ### f(x)≡0 (mod 15) Find all roots mod 15

• Replies: 7
• Views: 744
Feb 3rd 2010, 07:16 PM
16. ### How many six-digit positive integers are there, which is evenly divisible by 4 or 9?

• Replies: 3
• Views: 1,011
Feb 3rd 2010, 09:30 AM
17. ### Characterizing numbers.....

• Replies: 2
• Views: 362
Feb 2nd 2010, 07:00 PM
18. ### congruence in integer

• Replies: 2
• Views: 491
Feb 2nd 2010, 06:43 PM
19. ### Composite Numbers

• Replies: 2
• Views: 654
Feb 2nd 2010, 03:42 PM
20. ### Difficult Congruence related questions

• Replies: 1
• Views: 820
Feb 2nd 2010, 03:29 AM
21. ### congruence in integer #2

• Replies: 1
• Views: 427
Feb 2nd 2010, 03:24 AM
22. ### Symmetric, transitive, not reflexive?

• Replies: 1
• Views: 1,724
Feb 2nd 2010, 12:32 AM
23. ### [SOLVED] Text to speech

• Replies: 3
• Views: 448
Feb 1st 2010, 08:30 PM
24. ### Modular Arithmetic | Congruences

• Replies: 0
• Views: 385
Feb 1st 2010, 07:36 PM

• Replies: 1
• Views: 720
Feb 1st 2010, 07:03 PM
26. ### How to prove 161038 is pseudoprime?

• Replies: 2
• Views: 1,120
Feb 1st 2010, 06:47 PM
27. ### Mod proof with primes

• Replies: 2
• Views: 1,397
Feb 1st 2010, 06:32 PM
28. ### n^3 mod 6 = n mod 6

• Replies: 1
• Views: 669
Feb 1st 2010, 03:35 PM

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