# Number Theory Forum

Number Theory Help Forum

1. ### Finding a conjecture relating prime numbers to divisors

• Replies: 1
• Views: 399
Feb 24th 2013, 06:40 PM
2. ### show that a^2+b^2=3c^2 has no solutions in the integers

• Replies: 18
• Views: 3,050
Feb 23rd 2013, 03:08 PM
3. ### 8 digit number

• Replies: 3
• Views: 554
Feb 23rd 2013, 03:43 AM
4. ### GCD Proof

• Replies: 1
• Views: 494
Feb 22nd 2013, 12:04 PM
5. ### p divides (a+b)

• Replies: 2
• Views: 664
Feb 22nd 2013, 07:23 AM
6. ### Show a^n = 1 (mod 2^n+2) if a odd.

• Replies: 1
• Views: 610
Feb 21st 2013, 09:27 AM
7. ### Factor rings and Cayleys Tables

• Replies: 0
• Views: 534
Feb 19th 2013, 07:51 AM
8. ### Chinese Remainder Theorem

• Replies: 2
• Views: 520
Feb 19th 2013, 12:39 AM
9. ### divides and greatest common divisor questions

• Replies: 1
• Views: 608
Feb 17th 2013, 12:34 PM
10. ### Proving composite number

• Replies: 3
• Views: 1,059
Feb 16th 2013, 02:20 AM
11. ### A very big number

• Replies: 1
• Views: 594
Feb 13th 2013, 10:51 AM
12. ### Base three division

• Replies: 10
• Views: 821
Feb 12th 2013, 09:53 PM
13. ### Total Number of Solutions for a Pair of Congruences (Explanation Needed)

• Replies: 0
• Views: 406
Feb 12th 2013, 04:48 PM
14. ### minimum value of N

• Replies: 1
• Views: 332
Feb 12th 2013, 08:57 AM
15. ### Integers

• Replies: 2
• Views: 607
Feb 8th 2013, 06:28 AM
16. ### proof if gcd(a,b)=1 and a|c b|c then ab|c

• Replies: 2
• Views: 872
Feb 7th 2013, 09:10 PM
17. ### Find (10^5)^101 (mod 21)

• Replies: 4
• Views: 1,168
Feb 7th 2013, 08:32 PM
18. ### Show that if m and n are relatively prime and a and b are any integer,

• Replies: 3
• Views: 797
Feb 7th 2013, 07:52 PM
19. ### year 2011 begins on saturday. in any day year 2020 will begin?

• Replies: 2
• Views: 1,211
Feb 3rd 2013, 07:48 AM
20. ### The set of points in a cube

• Replies: 4
• Views: 784
Feb 2nd 2013, 12:15 AM
21. ### find 1+2+2^2 + 2^3 +......+2^219 mod13

• Replies: 2
• Views: 712
Jan 31st 2013, 10:34 PM
22. ### Linear Combinations of an even and odd number

• Replies: 1
• Views: 516
Jan 31st 2013, 02:47 PM
23. ### Subsequence Convergence

• Replies: 3
• Views: 720
Jan 31st 2013, 02:29 PM
24. ### Is a non-repeating and non-terminating decimal always an irrational?

• Replies: 3
• Views: 1,240
Jan 29th 2013, 11:12 AM
25. ### Fitting a sine wave between two lines

• Replies: 3
• Views: 686
Jan 29th 2013, 05:28 AM
26. ### Comparison Test Proof

• Replies: 4
• Views: 809
Jan 28th 2013, 02:47 PM
27. ### On the positional representation of real "fractions" as a closed set.

• Replies: 7
• Views: 537
Jan 24th 2013, 08:22 PM
28. ### Division by parts algorithm? (not Calculus)

• Replies: 2
• Views: 1,304
Jan 24th 2013, 03:19 PM

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