# Number Theory Forum

Number Theory Help Forum

1. ### Math question.

• Replies: 3
• Views: 467
May 6th 2009, 10:02 AM
2. ### Prove~

• Replies: 4
• Views: 392
May 6th 2009, 08:36 AM
3. ### integer-valued function

• Replies: 9
• Views: 564
May 6th 2009, 06:20 AM
4. ### Of Squares & Cubes

• Replies: 5
• Views: 417
May 5th 2009, 07:53 PM
5. ### Multiples of 13

• Replies: 9
• Views: 853
May 5th 2009, 03:37 PM
6. ### Number-theoretic functions

• Replies: 3
• Views: 633
May 5th 2009, 09:44 AM
7. ### sequence problem

• Replies: 3
• Views: 537
May 5th 2009, 04:41 AM
8. ### Positive Integer is Prime Like

• Replies: 14
• Views: 4,620
May 4th 2009, 07:57 AM
9. ### factoring problem...

• Replies: 3
• Views: 477
May 4th 2009, 07:44 AM
10. ### GCD divisibility problem

• Replies: 1
• Views: 489
May 4th 2009, 01:14 AM
11. ### Perfect powers of a particular form

• Replies: 18
• Views: 3,005
May 3rd 2009, 10:22 PM
12. ### simple Pell's Equation

• Replies: 5
• Views: 597
May 3rd 2009, 08:42 PM
13. ### Congruences: stumped by minus sign

• Replies: 3
• Views: 595
May 3rd 2009, 12:57 PM
14. ### Euler's phi function: multiplicity

• Replies: 2
• Views: 946
May 3rd 2009, 11:13 AM
15. ### Strong Induction Problem using Summations

• Replies: 2
• Views: 523
May 3rd 2009, 09:12 AM
16. ### number of elements

• Replies: 1
• Views: 522
May 2nd 2009, 02:31 AM

• Replies: 2
• Views: 544
May 1st 2009, 10:14 PM
18. ### integers

• Replies: 1
• Views: 667
May 1st 2009, 05:59 AM
19. ### Pseudoprimes

• Replies: 1
• Views: 405
Apr 30th 2009, 01:58 PM
20. ### Wondering if this is a typo?

• Replies: 1
• Views: 874
Apr 30th 2009, 01:01 PM
21. ### Triangular,squre,pentagonal number

• Replies: 1
• Views: 591
Apr 30th 2009, 12:12 PM
22. ### Converse of Fermat's Little Theorem (particular case)

• Replies: 1
• Views: 908
Apr 30th 2009, 12:02 PM
23. ### The sum of certain consecutive odd numbers is 57^2 – 13^2. Find the numbers.

• Replies: 2
• Views: 1,040
Apr 30th 2009, 06:28 AM
24. ### relatively prime problem

• Replies: 1
• Views: 589
Apr 30th 2009, 06:13 AM
25. ### MOre Multiplicative inverses

• Replies: 2
• Views: 454
Apr 29th 2009, 09:12 PM
26. ### Pseudoprimes #2

• Replies: 1
• Views: 461
Apr 29th 2009, 01:13 PM
27. ### Another proof using the phi-function

• Replies: 2
• Views: 462
Apr 29th 2009, 12:28 PM
28. ### GP Series Problem...stuck

• Replies: 2
• Views: 385
Apr 29th 2009, 09:22 AM
29. ### chebychev's theorem

• Replies: 2
• Views: 678
Apr 29th 2009, 08:17 AM
30. ### Set of residues

• Replies: 1
• Views: 513
Apr 29th 2009, 08:10 AM

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