# Number Theory Forum

Number Theory Help Forum

1. ### Publishing prime pattern - question?

• Replies: 9
• Views: 869
Jan 23rd 2011, 03:00 PM

• Replies: 1
• Views: 513
Jan 23rd 2011, 12:43 PM
3. ### Help with divisibility proof

• Replies: 2
• Views: 695
Jan 23rd 2011, 12:39 PM
4. ### Prove if ad - bc = 1 or -1, then gcd(a+b, c+d) = 1

• Replies: 3
• Views: 3,755
Jan 23rd 2011, 10:41 AM
5. ### [SOLVED] Need some help with complex functions... :(

• Replies: 3
• Views: 515
Jan 23rd 2011, 04:44 AM
6. ### Non-algebraic pattern - multiplication by 11 - decimology.

• Replies: 9
• Views: 1,107
Jan 21st 2011, 01:45 PM
7. ### Fibonacci Sequence - Induction Proof

• Replies: 2
• Views: 1,483
Jan 19th 2011, 04:41 PM
8. ### Help with elem. proof

• Replies: 6
• Views: 714
Jan 19th 2011, 01:42 PM
9. ### Fermat's little theorem help!

• Replies: 4
• Views: 709
Jan 17th 2011, 09:16 PM
10. ### Cannot find the contradiction

• Replies: 4
• Views: 748
Jan 17th 2011, 04:35 AM
11. ### Diophantine equation

• Replies: 7
• Views: 968
Jan 16th 2011, 02:06 PM
12. ### what is the least # of boxes that will hold exactly 300 cu m of sand.

• Replies: 12
• Views: 753
Jan 16th 2011, 07:22 AM
13. ### Finding the number of numbers with odd divisors

• Replies: 1
• Views: 1,169
Jan 16th 2011, 05:05 AM
14. ### Greatest Common Divisor of (9m+8, 6m+5)

• Replies: 1
• Views: 703
Jan 15th 2011, 06:43 AM
15. ### Ad hoc summation of series

• Replies: 26
• Views: 1,979
Jan 14th 2011, 06:12 PM
16. ### remainder when divided by 7

• Replies: 3
• Views: 1,250
Jan 14th 2011, 05:43 AM
17. ### 196 - algorithm ? Why is everyone saying there is no answer?

• Replies: 8
• Views: 814
Jan 14th 2011, 05:04 AM
18. ### Coprime elements

• Replies: 2
• Views: 615
Jan 14th 2011, 05:00 AM
19. ### New approach to Fermats Last theorem for the prime powers of n

• Replies: 4
• Views: 752
Jan 13th 2011, 01:32 PM
20. ### Converting a series to AP

• Replies: 4
• Views: 477
Jan 13th 2011, 01:58 AM
21. ### solving a matrix using gaussian elimination and 4 digit arithmetic and rounding

• Replies: 2
• Views: 1,305
Jan 12th 2011, 06:29 PM
22. ### [SOLVED] diophantine equation

• Replies: 0
• Views: 574
Jan 11th 2011, 07:26 PM
23. ### Cube roots in p-adic numbers

• Replies: 0
• Views: 698
Jan 11th 2011, 09:15 AM
24. ### [SOLVED] Diopantine equation #2: y^2+y+1=x^2.

• Replies: 2
• Views: 532
Jan 11th 2011, 03:30 AM
25. ### [SOLVED] diopantine equation

• Replies: 4
• Views: 462
Jan 11th 2011, 03:04 AM
26. ### smallest five-digit palindrome

• Replies: 7
• Views: 4,119
Jan 10th 2011, 05:34 AM
27. ### Diophantine equation .

• Replies: 16
• Views: 1,356
Jan 9th 2011, 06:06 AM
28. ### Using sqrt(d) factor large number

• Replies: 0
• Views: 469
Jan 9th 2011, 05:43 AM
29. ### Question about the notation for series

• Replies: 13
• Views: 505
Jan 9th 2011, 01:49 AM
30. ### stuck with factors of (105! + 105)

• Replies: 16
• Views: 1,363
Jan 8th 2011, 04:50 PM

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