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# Forum: Number Theory

Classical Number Theory, Algebraic and Analytic Number Theory, Number Theoretic Cryptography

2. ### Prime Divisors

• Replies: 13
• Views: 1,814
July 12th, 2013, 02:57
3. ### Proving operations of congruence modulo m

• Replies: 2
• Views: 753
July 8th, 2013, 14:57
4. ### How and what to teach on an elementary number theory course.

• Replies: 1
• Views: 723
July 3rd, 2013, 08:00
5. ### How best to teach the division algorithm?

• Replies: 1
• Views: 814
June 30th, 2013, 08:47
6. ### Greatest common divisor

• Replies: 1
• Views: 1,033
June 29th, 2013, 07:26
7. ### A very strange statement from Wolfram Alpha...

• Replies: 3
• Views: 1,422
June 28th, 2013, 12:24
8. ### Help with encoding matrices

• Replies: 6
• Views: 1,144
June 17th, 2013, 22:04
9. ### What to include on a first elementary number theory course?

• Replies: 4
• Views: 897
June 17th, 2013, 15:22
10. ### Weight and distance of a binary code

• Replies: 2
• Views: 1,010
June 14th, 2013, 22:59
11. ### Proving the primality of a quadratic over the natural numbers

• Replies: 8
• Views: 876
June 3rd, 2013, 00:07
12. ### a³ + b³ ≠ c³

• Replies: 31
• Views: 4,560
May 31st, 2013, 10:46
13. ### Lattices in complex plane

• Replies: 2
• Views: 843
May 24th, 2013, 22:49
14. ### No. of numbers relatively prime to a number

• Replies: 12
• Views: 2,267
May 19th, 2013, 22:27
15. ### Fraction between 96/35 & 97/36 with minimum denominator

• Replies: 12
• Views: 2,294
May 5th, 2013, 07:01
16. ### [SOLVED] Congruence equation

• Replies: 1
• Views: 719
May 2nd, 2013, 10:10
17. ### Show equation has no solution

• Replies: 2
• Views: 834
April 30th, 2013, 12:25
18. ### Totient Function Equation

• Replies: 5
• Views: 1,038
April 29th, 2013, 11:56
19. ### Prime problem

• Replies: 5
• Views: 827
April 29th, 2013, 04:33
20. ### Find all positive integers.....

• Replies: 7
• Views: 1,333
April 26th, 2013, 12:18
21. ### [SOLVED] Continued fraction

• Replies: 4
• Views: 967
April 24th, 2013, 13:09
22. ### Diophantine equation, modulo

• Replies: 6
• Views: 1,472
April 22nd, 2013, 20:46
23. ### Diophantine equation

• Replies: 24
• Views: 2,732
April 20th, 2013, 18:52
24. ### Dividing problem

• Replies: 1
• Views: 686
April 19th, 2013, 11:08
25. ### Z[sqrt(-2)]

• Replies: 7
• Views: 1,254
April 18th, 2013, 13:18
26. ### [SOLVED] Primitive root

• Replies: 3
• Views: 1,298
April 12th, 2013, 15:46
27. ### Decoding

• Replies: 2
• Views: 914
April 9th, 2013, 17:36
28. ### Totient function proof

• Replies: 3
• Views: 891
April 8th, 2013, 08:51
29. ### Integral closure of rational polynomial ring

• Replies: 0
• Views: 1,083
March 13th, 2013, 06:18
30. ### Primitive Pythagorean triple

• Replies: 3
• Views: 1,101
March 1st, 2013, 09:58
31. ### [SOLVED] Why isn't gcd(0,0)=1?

• Replies: 4
• Views: 1,128
February 27th, 2013, 19:59

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