# Number Theory Forum

Number Theory Help Forum

1. ### Number of quadratic residues mod n.

• Replies: 1
• Views: 508
Nov 25th 2011, 08:14 AM
2. ### Help using mod

• Replies: 2
• Views: 401
Nov 23rd 2011, 10:46 AM
3. ### 2-pseudoprime!

• Replies: 1
• Views: 485
Nov 20th 2011, 05:32 AM
4. ### Equations

• Replies: 5
• Views: 503
Nov 18th 2011, 08:34 PM
5. ### Mod 2011

• Replies: 3
• Views: 655
Nov 17th 2011, 11:38 PM
6. ### sums and products...

• Replies: 2
• Views: 633
Nov 17th 2011, 03:36 AM
7. ### Help with integer partitions

• Replies: 1
• Views: 734
Nov 15th 2011, 02:43 PM
8. ### Proof of a subgroup of quadratic residues

• Replies: 1
• Views: 463
Nov 15th 2011, 12:13 PM
9. ### [SOLVED] Prove two composite numbers are the same

• Replies: 2
• Views: 412
Nov 15th 2011, 11:02 AM
10. ### Relation between valuation at a point x and the factorization of the ideal (x)

• Replies: 0
• Views: 356
Nov 15th 2011, 03:38 AM
11. ### Sum of Two Squares theorem

• Replies: 3
• Views: 774
Nov 14th 2011, 07:18 PM
12. ### prime congruence help

• Replies: 2
• Views: 510
Nov 14th 2011, 08:14 AM
13. ### infinite continued fraction

• Replies: 1
• Views: 385
Nov 14th 2011, 07:46 AM
14. ### Number theory factor problem

• Replies: 1
• Views: 331
Nov 13th 2011, 01:33 PM
15. ### negative of point on elliptic curve

• Replies: 0
• Views: 826
Nov 11th 2011, 06:19 PM
16. ### Number Theory (find the smallest prime divisors)

• Replies: 0
• Views: 1,673
Nov 11th 2011, 12:58 PM
17. ### If a has order n - 1 modulo n, then n is prime.

• Replies: 2
• Views: 3,136
Nov 10th 2011, 12:29 PM
18. ### Primitive root question

• Replies: 3
• Views: 751
Nov 10th 2011, 12:18 AM
19. ### Recursive sequence of primes

• Replies: 3
• Views: 478
Nov 9th 2011, 06:44 AM
20. ### Elliptic curves & Modular forms

• Replies: 0
• Views: 439
Nov 8th 2011, 01:41 AM
21. ### RSA Decryption method

• Replies: 7
• Views: 825
Nov 7th 2011, 04:11 PM
22. ### Primitive Roots

• Replies: 1
• Views: 443
Nov 5th 2011, 10:24 PM
23. ### digits problem

• Replies: 1
• Views: 535
Nov 5th 2011, 06:06 AM
24. ### The last digit of 7^7^7

• Replies: 7
• Views: 4,912
Nov 5th 2011, 05:59 AM
25. ### Help with g.c.d.

• Replies: 5
• Views: 440
Oct 24th 2011, 04:24 AM
26. ### Is a number preceding infinity, finite?

• Replies: 8
• Views: 819
Oct 24th 2011, 02:23 AM
27. ### Show that a^2 -1 = 0 mod p has only 2 solutions

• Replies: 2
• Views: 634
Oct 23rd 2011, 07:14 PM
28. ### Grouping natural numbers.

• Replies: 2
• Views: 523
Oct 23rd 2011, 11:35 AM
29. ### Math proof regarding gcd

• Replies: 2
• Views: 371
Oct 23rd 2011, 10:25 AM

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