Number Theory Forum

Number Theory Help Forum

1. Prove by induction

• Replies: 5
• Views: 537
Feb 8th 2014, 06:49 AM
2. Suppose that p=2^k-1 is prime. Prove that either k=2 or k is odd.

• Replies: 1
• Views: 1,589
Feb 7th 2014, 06:01 PM
3. Showing that a number is rational/irrational

• Replies: 10
• Views: 1,122
Feb 2nd 2014, 06:04 PM
4. Proof by Induction with Inequalities

• Replies: 3
• Views: 428
Jan 29th 2014, 02:01 PM
5. Transitive law

• Replies: 1
• Views: 555
Jan 23rd 2014, 01:13 AM
6. divisor of 0

• Replies: 1
• Views: 777
Jan 21st 2014, 05:25 AM
7. An interesting algorithm

• Replies: 1
• Views: 598
Jan 10th 2014, 12:01 PM
8. Coding Theory - Constructing Binary (n, M, d) - Codes

• Replies: 6
• Views: 1,555
Dec 31st 2013, 12:43 AM
9. An example of 2 quadratic integers in the same quadratic field

• Replies: 1
• Views: 607
Dec 29th 2013, 11:56 AM
10. Simplifying an Infinite Composite Recursion in a System of Equations

• Replies: 4
• Views: 895
Dec 20th 2013, 10:14 PM
11. General tools to evaluate closed forms of series

• Replies: 3
• Views: 752
Dec 20th 2013, 05:05 PM
12. What is a feedback polynomial good for?

• Replies: 1
• Views: 648
Dec 20th 2013, 01:31 PM
13. Number theory prime divisibility problem

• Replies: 5
• Views: 1,135
Dec 18th 2013, 04:25 PM
14. 2 to even power as a sum of squares

• Replies: 1
• Views: 900
Dec 11th 2013, 08:49 PM
15. multiple of perfect number is abundant

• Replies: 2
• Views: 1,010
Dec 11th 2013, 08:22 PM
16. express number as infinite continued fraction

• Replies: 4
• Views: 753
Dec 10th 2013, 07:56 PM
17. real hadamard matrices of order 5 do not exist

• Replies: 1
• Views: 878
Dec 5th 2013, 01:47 PM
18. How do you factor 10001 without calculator?

• Replies: 3
• Views: 1,800
Dec 3rd 2013, 11:20 AM
19. gcd/lcm linear equations

• Replies: 1
• Views: 463
Dec 2nd 2013, 07:12 AM
20. Proof of Divisibilty propery of Fibonaccia numbers.

• Replies: 0
• Views: 473
Dec 2nd 2013, 06:24 AM
21. Prove (square root 2) is irrational - I have a problem with this proof.

• Replies: 17
• Views: 1,525
Dec 1st 2013, 09:39 PM
22. Gaussian Norms

• Replies: 1
• Views: 705
Nov 27th 2013, 06:20 PM
23. Calculation in Rijndael field GF(2^8) and (mod x^4+1)?

• Replies: 2
• Views: 657
Nov 27th 2013, 09:58 AM
24. Sublattices in Z^2

• Replies: 0
• Views: 933
Nov 25th 2013, 12:38 PM

• Replies: 4
• Views: 806
Nov 23rd 2013, 08:57 PM
26. Solve 7th degree equation using complex number

• Replies: 2
• Views: 995
Nov 23rd 2013, 04:25 PM
27. Another GCD problem

• Replies: 4
• Views: 532
Nov 22nd 2013, 07:27 AM

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