# Number Theory Forum

Number Theory Help Forum

1. ### My proof about primes MUST be invalid, but I don't know why

• Replies: 1
• Views: 589
Apr 8th 2016, 01:52 PM
2. ### Need help with an assingment please

• Replies: 14
• Views: 913
Apr 5th 2016, 11:18 AM
3. ### Proof of Converse of Fermat's Little Theorm

• Replies: 3
• Views: 1,316
Mar 22nd 2016, 11:25 AM
4. ### Proof: If q is a prime divisor of 2^p -1, then q ≡ 1 (mod p)

• Replies: 2
• Views: 652
Mar 22nd 2016, 09:41 AM

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6. ### Abstract algebra Polynomials and Prime

• Replies: 3
• Views: 740
Feb 15th 2016, 05:01 PM
7. ### Perfect square

• Replies: 2
• Views: 698
Feb 10th 2016, 08:30 AM

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9. ### Prove that large number is a multiple of 7 using modular arithmetic

• Replies: 2
• Views: 576
Feb 3rd 2016, 07:22 PM
10. ### Find values for a, b and c

• Replies: 6
• Views: 957
Dec 29th 2015, 11:12 PM
11. ### GCD a+b

• Replies: 5
• Views: 692
Dec 28th 2015, 05:23 PM
12. ### couple questions beginning number theory

• Replies: 1
• Views: 601
Dec 24th 2015, 12:36 AM
13. ### Goldbach Conjecture

• Replies: 2
• Views: 591
Dec 21st 2015, 11:23 AM
14. ### Sum help!

• Replies: 5
• Views: 765
Dec 17th 2015, 08:31 PM
15. ### Proof Residue 165 = 3 * 5 * 11?

• Replies: 1
• Views: 593
Dec 9th 2015, 02:28 PM
16. ### Least residues

• Replies: 1
• Views: 498
Nov 26th 2015, 09:31 PM
17. ### Power Series

• Replies: 2
• Views: 517
Nov 21st 2015, 11:52 AM
18. ### subtraction of zero

• Replies: 4
• Views: 2,241
Nov 20th 2015, 05:03 AM
19. ### Is this the nature of prime numbers?

• Replies: 6
• Views: 1,141
Nov 11th 2015, 11:59 AM
20. ### Primitive Pythagorean triple

• Replies: 2
• Views: 738
Nov 10th 2015, 01:49 PM
21. ### How is the sum of all natural numbers -1/12?

• Replies: 24
• Views: 2,823
Oct 30th 2015, 06:16 PM
22. ### What are the concept of quadratic residues?

• Replies: 1
• Views: 517
Oct 23rd 2015, 08:55 PM
23. ### Primitive Roots

• Replies: 1
• Views: 484
Oct 23rd 2015, 02:08 PM

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### show that the coefficient of friction n is tan

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