# Number Theory Forum

Number Theory Help Forum

1. ### Showing a prime in an arithmetic progression

• Replies: 4
• Views: 528
Oct 8th 2013, 03:34 PM
2. ### Prime number

• Replies: 1
• Views: 702
Oct 8th 2013, 09:19 AM
3. ### Number theory equations

• Replies: 1
• Views: 648
Oct 6th 2013, 10:25 AM
4. ### proving √n is irration (n=square free + integer)

• Replies: 3
• Views: 625
Oct 6th 2013, 08:17 AM
5. ### primes squared inf showing a pattern with the last digits

• Replies: 1
• Views: 513
Oct 5th 2013, 05:58 AM
6. ### prove or disprove the following. let a1....ar be even integers and let b1....bs be in

• Replies: 7
• Views: 518
Oct 2nd 2013, 06:38 PM
7. ### 1 + 1 = 2? Prove!

• Replies: 11
• Views: 912
Oct 2nd 2013, 12:43 PM
8. ### Finding a formula for the nth term of the sequence

• Replies: 10
• Views: 1,177
Oct 1st 2013, 07:30 PM
9. ### Rational number proof

• Replies: 6
• Views: 862
Sep 22nd 2013, 10:28 AM
10. ### How to interpret this question

• Replies: 3
• Views: 1,057
Sep 11th 2013, 05:29 PM
11. ### issue starting a prrof

• Replies: 4
• Views: 533
Sep 11th 2013, 03:46 AM
12. ### Nuber Theory and Sequences

• Replies: 11
• Views: 816
Sep 10th 2013, 12:05 PM
13. ### div operator proof

• Replies: 5
• Views: 826
Sep 7th 2013, 02:28 PM
14. ### Infinite series 1+2+3+4... = -112?

• Replies: 12
• Views: 1,793
Sep 5th 2013, 04:41 AM
15. ### 2-adic expansions of inverse powers of 3

• Replies: 3
• Views: 909
Sep 4th 2013, 12:22 PM
16. ### Number tiles

• Replies: 0
• Views: 473
Sep 4th 2013, 10:45 AM
17. ### Irreducible Polynomials

• Replies: 1
• Views: 619
Aug 28th 2013, 09:50 PM
18. ### Floor function proof (probably easy)

• Replies: 1
• Views: 1,638
Aug 26th 2013, 05:33 PM
19. ### Differences of prime powers

• Replies: 0
• Views: 508
Aug 23rd 2013, 09:57 AM
20. ### "Weighted" sum of divisor function

• Replies: 0
• Views: 732
Aug 18th 2013, 05:21 PM
21. ### Algebraic proof of [ (4^n)mod3 = 1 ] ??

• Replies: 2
• Views: 564
Aug 8th 2013, 06:11 AM

• Replies: 3
• Views: 697
Aug 5th 2013, 03:36 PM
23. ### Show that n^5 + n^4 + 1 is not prime for n>1

• Replies: 6
• Views: 2,254
Jul 24th 2013, 09:18 PM
24. ### Dirichlet characters

• Replies: 3
• Views: 841
Jul 24th 2013, 02:17 AM
25. ### Proof of a Conjecture or Counter Examples

• Replies: 2
• Views: 599
Jul 23rd 2013, 11:53 AM
26. ### Zero product property, Help.

• Replies: 5
• Views: 2,314
Jul 20th 2013, 07:03 PM

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