# Number Theory Forum

Number Theory Help Forum

1. ### Prove n(n+1) is never a square for and n>0

• Replies: 2
• Views: 2,520
Sep 26th 2011, 02:36 PM
2. ### Irrational Numbers Question

• Replies: 3
• Views: 1,463
Sep 26th 2011, 12:20 PM
3. ### Sum of Square Roots...

• Replies: 4
• Views: 906
Sep 25th 2011, 05:19 PM
4. ### some confusion on wording of Euclid's Lemma

• Replies: 2
• Views: 982
Sep 25th 2011, 05:08 PM
5. ### The addition of irrational numbers.

• Replies: 1
• Views: 433
Sep 25th 2011, 03:58 PM
6. ### Irrational and Rational Numbers

• Replies: 0
• Views: 516
Sep 25th 2011, 02:32 PM
7. ### Show co-prime...

• Replies: 2
• Views: 621
Sep 25th 2011, 12:38 PM
8. ### Prove that if x^n - 3^n = a prime number, then x = 4 and n = a prime number

• Replies: 0
• Views: 830
Sep 24th 2011, 11:23 AM
9. ### n^3+n=m^4 proving n has to be even and divisble by 16

• Replies: 2
• Views: 582
Sep 22nd 2011, 02:45 PM
10. ### Proof help

• Replies: 1
• Views: 586
Sep 21st 2011, 11:50 PM
11. ### Divisibility

• Replies: 6
• Views: 510
Sep 21st 2011, 11:40 PM
12. ### Primes

• Replies: 7
• Views: 650
Sep 21st 2011, 06:48 AM
13. ### Proove that...

• Replies: 1
• Views: 879
Sep 20th 2011, 11:15 PM
14. ### simplify: (x+1/x) + (x^2 + 1/x^2)^2 +...+(x^n + 1/x^n)^n

• Replies: 5
• Views: 576
Sep 20th 2011, 02:47 AM
15. ### Continued fraction expansion

• Replies: 2
• Views: 1,426
Sep 19th 2011, 11:25 PM
16. ### Equation with exponents

• Replies: 4
• Views: 388
Sep 19th 2011, 09:29 AM
17. ### Elliptic Curve Group / Multiplication

• Replies: 2
• Views: 614
Sep 18th 2011, 02:30 PM
18. ### Rational solutions to an equation

• Replies: 1
• Views: 606
Sep 17th 2011, 08:49 PM
19. ### Find all possible values of a divisor

• Replies: 0
• Views: 385
Sep 15th 2011, 04:46 PM
20. ### Product of perfect square and primes

• Replies: 4
• Views: 1,992
Sep 14th 2011, 04:54 PM
21. ### One to One

• Replies: 5
• Views: 331
Sep 13th 2011, 10:03 PM
22. ### A property of Pythagorean triples

• Replies: 3
• Views: 462
Sep 9th 2011, 10:05 PM
23. ### Is there a relationship that can be pinned down?

• Replies: 1
• Views: 407
Sep 9th 2011, 09:21 AM
24. ### How to find the pairs?

• Replies: 10
• Views: 1,082
Sep 8th 2011, 10:21 AM
25. ### yet another Diophantine equation

• Replies: 12
• Views: 910
Sep 7th 2011, 06:48 AM
26. ### Series Involving Prime Numbers

• Replies: 4
• Views: 697
Sep 5th 2011, 01:14 PM
27. ### finding the series

• Replies: 2
• Views: 322
Sep 5th 2011, 08:26 AM
28. ### GCD proof help

• Replies: 2
• Views: 681
Sep 3rd 2011, 12:26 PM
29. ### Proofs about irrational numbers.

• Replies: 4
• Views: 2,072
Sep 3rd 2011, 12:18 PM
30. ### Prove it's well-defined

• Replies: 1
• Views: 858
Aug 31st 2011, 03:14 AM

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