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# Number Theory Forum

Number Theory Help Forum

1. ### Fibonacci's Cubic

• Replies: 2
• Views: 894
Nov 17th 2014, 05:08 PM
2. ### A problem related to number theory

• Replies: 1
• Views: 460
Nov 11th 2014, 09:24 PM
3. ### Solve in Z

• Replies: 3
• Views: 412
Nov 11th 2014, 06:02 AM
4. ### Proof by contrapositive or contradiction probolems

• Replies: 2
• Views: 582
Nov 3rd 2014, 07:36 AM
5. ### Finding an integer in a very, very small interval

• Replies: 7
• Views: 662
Oct 29th 2014, 10:53 PM
6. ### Prove p*q + p + q + 1

• Replies: 8
• Views: 628
Oct 20th 2014, 12:25 AM
7. ### Least Common Multiple and All possible subset

• Replies: 2
• Views: 567
Oct 16th 2014, 02:39 PM
8. ### every composite has a prime factor less than 120

• Replies: 3
• Views: 492
Oct 7th 2014, 09:19 AM
9. ### Asymptotic approximation of a series

• Replies: 0
• Views: 430
Sep 19th 2014, 01:07 PM
10. ### Nonlinear Diophantine equation

• Replies: 5
• Views: 549
Sep 18th 2014, 01:02 AM
11. ### Upper and lower bounds

• Replies: 1
• Views: 1,045
Sep 16th 2014, 01:45 PM
12. ### 2-adic proof of the irrationality of root 2

• Replies: 1
• Views: 530
Sep 12th 2014, 10:21 AM
13. ### Proof of permutation in sequential sets, also question on opposite ability...

• Replies: 1
• Views: 584
Aug 27th 2014, 12:13 AM
14. ### Proof by counter-example

• Replies: 7
• Views: 1,033
Aug 26th 2014, 05:52 PM
15. ### Why can this expression be approximated by that other expression?

• Replies: 2
• Views: 481
Aug 25th 2014, 01:36 PM
16. ### common divisor of ideals

• Replies: 0
• Views: 339
Aug 20th 2014, 06:23 AM
17. ### proof by induction

• Replies: 15
• Views: 1,123
Aug 18th 2014, 04:11 AM
18. ### exponentiation in modular arithmetic

• Replies: 0
• Views: 462
Aug 16th 2014, 07:40 AM
19. ### RSA cipher problem

• Replies: 4
• Views: 1,339
Aug 16th 2014, 06:41 AM
20. ### Two exercises - polynomial equations and geometric and arithmetic sequences

• Replies: 2
• Views: 840
Aug 14th 2014, 06:20 PM
21. ### Practice with deductions

• Replies: 6
• Views: 1,044
Aug 14th 2014, 05:58 AM
22. ### Congruence question

• Replies: 0
• Views: 583
Aug 11th 2014, 06:43 AM
23. ### prime numbers

• Replies: 14
• Views: 866
Aug 6th 2014, 08:15 AM
24. ### Using Euclid's algorithm to find the multiplicative inverse

• Replies: 2
• Views: 1,219
Aug 6th 2014, 05:28 AM
25. ### prove by induction

• Replies: 5
• Views: 663
Jul 31st 2014, 08:17 PM
26. ### number of divisors

• Replies: 5
• Views: 695
Jul 26th 2014, 12:19 AM
27. ### [SOLVED] Analytical proof of Fermat last theorem using fundamental theorems of numbers

• Replies: 2
• Views: 507
Jul 25th 2014, 03:38 PM
28. ### Frege's 0 Lemma is not a definition of zero

• Replies: 0
• Views: 584
Jul 22nd 2014, 07:51 AM
29. ### Chinese remainder theorem problem

• Replies: 1
• Views: 646
Jul 6th 2014, 01:10 AM

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