# Number Theory Forum

Number Theory Help Forum

1. ### Generalizing Euler's Criterion

• Replies: 2
• Views: 566
Apr 6th 2012, 02:25 AM
2. ### Solve for X, Congruence

• Replies: 3
• Views: 639
Apr 5th 2012, 09:47 AM
3. ### phi (201212) and phi (111111)

• Replies: 3
• Views: 419
Apr 4th 2012, 07:29 AM
4. ### Proving 3 is primitive root modulo p

• Replies: 4
• Views: 586
Apr 3rd 2012, 09:09 AM
5. ### Indices and Primitive Roots

• Replies: 2
• Views: 1,159
Apr 3rd 2012, 07:37 AM
6. ### A worked example of Christoph Burnikel & Joachim Ziegler's fast recurvise division

• Replies: 0
• Views: 995
Apr 2nd 2012, 05:40 AM
7. ### Transcendental Theory, Slope of a line, and how Pi+e and -(e/Pi) is transcendental

• Replies: 1
• Views: 916
Apr 2nd 2012, 05:32 AM
8. ### finding the terms of a geometric progression

• Replies: 4
• Views: 1,001
Apr 1st 2012, 06:48 PM
9. ### Chinese remainder theorem problem

• Replies: 4
• Views: 943
Apr 1st 2012, 08:03 AM

• Replies: 0
• Views: 304
Mar 30th 2012, 08:10 AM
11. ### Galois Field Division Check

• Replies: 2
• Views: 540
Mar 29th 2012, 01:29 PM
12. ### Proof: limit of ratios of fibonacci numbers is convergent

• Replies: 5
• Views: 5,357
Mar 27th 2012, 09:34 AM
13. ### Special property of corresponding sequences

• Replies: 3
• Views: 572
Mar 27th 2012, 07:35 AM
14. ### prove that φ(n/p^K) is even

• Replies: 3
• Views: 482
Mar 26th 2012, 11:45 AM
15. ### show that n is an integer number thoery problem

• Replies: 1
• Views: 392
Mar 26th 2012, 11:12 AM
16. ### When 361..1*3611...1 is square number ?

• Replies: 0
• Views: 370
Mar 25th 2012, 08:18 AM
17. ### Sum of square free divisors of integer

• Replies: 3
• Views: 1,253
Mar 24th 2012, 01:23 PM
18. ### GCD

• Replies: 2
• Views: 362
Mar 23rd 2012, 08:29 PM
19. ### Finding number of integers not satisfying an expression

• Replies: 2
• Views: 452
Mar 22nd 2012, 09:45 PM
20. ### Show that 98^76543 + 21 is not divisible by 11.

• Replies: 12
• Views: 965
Mar 22nd 2012, 12:32 AM
21. ### Euler's identity

• Replies: 1
• Views: 746
Mar 21st 2012, 05:38 PM
22. ### Primality Criteria for F_n(2336)

• Replies: 0
• Views: 398
Mar 21st 2012, 08:36 AM
23. ### Find all integers whose sum of divisors is equal to 48.

• Replies: 4
• Views: 648
Mar 20th 2012, 03:52 AM
24. ### Help with Matrices and Eigenvalues

• Replies: 1
• Views: 502
Mar 19th 2012, 01:10 PM
25. ### When is n choose 2 a perfect square?

• Replies: 5
• Views: 964
Mar 18th 2012, 07:51 PM
26. ### If gcd(aa,b)=1, then gcd(a-b,a+b)=1 or 2 for all integers a,b

• Replies: 8
• Views: 3,034
Mar 16th 2012, 07:53 AM
27. ### graph theory tree proof

• Replies: 0
• Views: 345
Mar 16th 2012, 01:12 AM
28. ### Well-ordering

• Replies: 0
• Views: 277
Mar 15th 2012, 09:38 PM
29. ### generalised formula for the series

• Replies: 2
• Views: 486
Mar 13th 2012, 02:03 AM

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