# Number Theory Forum

Number Theory Help Forum

1. ### Euler's phi function: multiplicity

• Replies: 2
• Views: 1,087
May 3rd 2009, 11:13 AM
2. ### Strong Induction Problem using Summations

• Replies: 2
• Views: 548
May 3rd 2009, 09:12 AM
3. ### number of elements

• Replies: 1
• Views: 554
May 2nd 2009, 02:31 AM
4. ### quadratic congruence

• Replies: 2
• Views: 569
May 1st 2009, 10:14 PM
5. ### integers

• Replies: 1
• Views: 721
May 1st 2009, 05:59 AM
6. ### Pseudoprimes

• Replies: 1
• Views: 429
Apr 30th 2009, 01:58 PM
7. ### Wondering if this is a typo?

• Replies: 1
• Views: 1,069
Apr 30th 2009, 01:01 PM
8. ### Triangular,squre,pentagonal number

• Replies: 1
• Views: 626
Apr 30th 2009, 12:12 PM
9. ### Converse of Fermat's Little Theorem (particular case)

• Replies: 1
• Views: 964
Apr 30th 2009, 12:02 PM
10. ### The sum of certain consecutive odd numbers is 57^2 – 13^2. Find the numbers.

• Replies: 2
• Views: 1,332
Apr 30th 2009, 06:28 AM
11. ### relatively prime problem

• Replies: 1
• Views: 637
Apr 30th 2009, 06:13 AM
12. ### MOre Multiplicative inverses

• Replies: 2
• Views: 491
Apr 29th 2009, 09:12 PM
13. ### Pseudoprimes #2

• Replies: 1
• Views: 646
Apr 29th 2009, 01:13 PM
14. ### Another proof using the phi-function

• Replies: 2
• Views: 495
Apr 29th 2009, 12:28 PM
15. ### GP Series Problem...stuck

• Replies: 2
• Views: 407
Apr 29th 2009, 09:22 AM
16. ### chebychev's theorem

• Replies: 2
• Views: 717
Apr 29th 2009, 08:17 AM
17. ### Set of residues

• Replies: 1
• Views: 557
Apr 29th 2009, 08:10 AM
18. ### recurring digits

• Replies: 4
• Views: 646
Apr 28th 2009, 11:19 PM
19. ### Order of Numbers Proofs

• Replies: 1
• Views: 489
Apr 28th 2009, 08:36 PM
20. ### A proof using the phi-function

• Replies: 1
• Views: 494
Apr 28th 2009, 12:58 PM
21. ### find (a,b)

• Replies: 3
• Views: 512
Apr 28th 2009, 07:41 AM
22. ### Mods.

• Replies: 2
• Views: 508
Apr 28th 2009, 02:47 AM
23. ### can we solve for Z if we know X? [admin note:not solved]

• Replies: 3
• Views: 526
Apr 27th 2009, 01:33 PM
24. ### Order Among the Numbers

• Replies: 1
• Views: 486
Apr 26th 2009, 09:53 PM
25. ### arithmetic

• Replies: 1
• Views: 400
Apr 26th 2009, 10:24 AM
26. ### Proof of primes.

• Replies: 2
• Views: 612
Apr 26th 2009, 12:12 AM
27. ### not divide

• Replies: 1
• Views: 556
Apr 25th 2009, 11:57 PM
28. ### Prove

• Replies: 2
• Views: 419
Apr 25th 2009, 08:27 AM
29. ### Prime Power Congruence

• Replies: 4
• Views: 697
Apr 24th 2009, 08:44 PM

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