Number Theory Forum

Number Theory Help Forum

1. Prove that 3^(1/2) does not belong to the set Q[2^(1/2)]

• Replies: 2
• Views: 1,087
Mar 7th 2011, 07:56 AM
2. Number Theory Question (Mobius Theorem)

• Replies: 1
• Views: 826
Mar 7th 2011, 02:28 AM
3. congruence classes and roots of a polynomial.

• Replies: 5
• Views: 729
Mar 7th 2011, 02:16 AM
4. Just need confirmation

• Replies: 2
• Views: 534
Mar 6th 2011, 10:00 PM
5. How many keys for an affine cipher in z27?

• Replies: 0
• Views: 1,185
Mar 6th 2011, 06:27 PM
6. Affine Cipher Encryption

• Replies: 7
• Views: 1,714
Mar 6th 2011, 05:08 PM
7. Affine Cipher Codebreak!

• Replies: 0
• Views: 667
Mar 6th 2011, 03:17 PM
8. Number of Positive Divisors

• Replies: 5
• Views: 1,010
Mar 6th 2011, 03:35 AM
9. next two rows

• Replies: 2
• Views: 561
Mar 5th 2011, 11:09 PM
10. Congruence/Prime Factorization Problem

• Replies: 1
• Views: 585
Mar 5th 2011, 09:11 PM
11. Prove x^6+7y^3=2 has no solution

• Replies: 5
• Views: 563
Mar 5th 2011, 01:32 PM
12. Eisenstein Integers, need help with a proof

• Replies: 3
• Views: 860
Mar 5th 2011, 01:19 PM
13. Division

• Replies: 0
• Views: 461
Mar 5th 2011, 07:54 AM
14. Simultaneous Linear Congruences.

• Replies: 2
• Views: 556
Mar 5th 2011, 06:27 AM
15. Matrix Multiplication in Z9 and Z101

• Replies: 4
• Views: 732
Mar 4th 2011, 05:51 AM
16. Fermat's Theorem

• Replies: 2
• Views: 884
Mar 3rd 2011, 04:58 PM
17. # of integer solutions

• Replies: 3
• Views: 1,262
Mar 2nd 2011, 09:43 PM
18. Help with proof?

• Replies: 1
• Views: 427
Mar 2nd 2011, 07:35 PM
19. Prove the sum of all positive integers k...

• Replies: 12
• Views: 2,657
Mar 2nd 2011, 08:23 AM

• Replies: 1
• Views: 391
Mar 1st 2011, 07:11 PM
21. Sequence Inequality Proof

• Replies: 1
• Views: 438
Mar 1st 2011, 07:10 PM
22. Sequences of Consecutive Non-Squarefree Integers?

• Replies: 1
• Views: 1,545
Mar 1st 2011, 07:09 PM
23. If r,s,t are prime nos. and p,q are the positive integers ....

• Replies: 2
• Views: 688
Mar 1st 2011, 10:54 AM
24. diophantine equation

• Replies: 3
• Views: 782
Mar 1st 2011, 07:19 AM
25. How to do this algebra "trick"

• Replies: 3
• Views: 473
Mar 1st 2011, 04:53 AM
26. Another fibonacci proposition

• Replies: 3
• Views: 548
Feb 28th 2011, 02:55 PM
27. integer solutions

• Replies: 2
• Views: 810
Feb 28th 2011, 09:07 AM
28. Prove if a is a primitive root mod p^2, then it is a primitive root mod p

• Replies: 1
• Views: 1,072
Feb 27th 2011, 05:59 PM
29. Proving that no cancellation is possible in the fraction (a+c)/(b+d), if ab-cd=1

• Replies: 4
• Views: 658
Feb 27th 2011, 05:21 PM

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