# Number Theory Forum

Number Theory Help Forum

1. ### Another GCD Proof

• Replies: 4
• Views: 600
Mar 2nd 2013, 06:52 PM
2. ### Determining primality

• Replies: 6
• Views: 573
Mar 2nd 2013, 12:53 PM
3. ### Is the sequence Convergent?

• Replies: 6
• Views: 549
Mar 2nd 2013, 07:27 AM
4. ### Just some prime number fun

• Replies: 11
• Views: 772
Mar 2nd 2013, 06:38 AM
5. ### need help disproving

• Replies: 3
• Views: 696
Feb 27th 2013, 01:58 PM
6. ### Mathematical Logic

• Replies: 6
• Views: 1,098
Feb 25th 2013, 05:17 PM
7. ### Finding a conjecture relating prime numbers to divisors

• Replies: 1
• Views: 412
Feb 24th 2013, 05:40 PM
8. ### show that a^2+b^2=3c^2 has no solutions in the integers

• Replies: 18
• Views: 3,293
Feb 23rd 2013, 02:08 PM
9. ### 8 digit number

• Replies: 3
• Views: 573
Feb 23rd 2013, 02:43 AM
10. ### GCD Proof

• Replies: 1
• Views: 515
Feb 22nd 2013, 11:04 AM
11. ### p divides (a+b)

• Replies: 2
• Views: 754
Feb 22nd 2013, 06:23 AM
12. ### Show a^n = 1 (mod 2^n+2) if a odd.

• Replies: 1
• Views: 677
Feb 21st 2013, 08:27 AM
13. ### Factor rings and Cayleys Tables

• Replies: 0
• Views: 548
Feb 19th 2013, 06:51 AM
14. ### Chinese Remainder Theorem

• Replies: 2
• Views: 529
Feb 18th 2013, 11:39 PM
15. ### divides and greatest common divisor questions

• Replies: 1
• Views: 687
Feb 17th 2013, 11:34 AM
16. ### Proving composite number

• Replies: 3
• Views: 1,151
Feb 16th 2013, 01:20 AM
17. ### A very big number

• Replies: 1
• Views: 653
Feb 13th 2013, 09:51 AM
18. ### Base three division

• Replies: 10
• Views: 837
Feb 12th 2013, 08:53 PM
19. ### Total Number of Solutions for a Pair of Congruences (Explanation Needed)

• Replies: 0
• Views: 418
Feb 12th 2013, 03:48 PM
20. ### minimum value of N

• Replies: 1
• Views: 341
Feb 12th 2013, 07:57 AM
21. ### Integers

• Replies: 2
• Views: 652
Feb 8th 2013, 05:28 AM
22. ### proof if gcd(a,b)=1 and a|c b|c then ab|c

• Replies: 2
• Views: 985
Feb 7th 2013, 08:10 PM
23. ### Find (10^5)^101 (mod 21)

• Replies: 4
• Views: 1,263
Feb 7th 2013, 07:32 PM
24. ### Show that if m and n are relatively prime and a and b are any integer,

• Replies: 3
• Views: 881
Feb 7th 2013, 06:52 PM
25. ### year 2011 begins on saturday. in any day year 2020 will begin?

• Replies: 2
• Views: 1,324
Feb 3rd 2013, 06:48 AM
26. ### The set of points in a cube

• Replies: 4
• Views: 859
Feb 1st 2013, 11:15 PM
27. ### find 1+2+2^2 + 2^3 +......+2^219 mod13

• Replies: 2
• Views: 742
Jan 31st 2013, 09:34 PM
28. ### Linear Combinations of an even and odd number

• Replies: 1
• Views: 538
Jan 31st 2013, 01:47 PM

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