# Number Theory Forum

Number Theory Help Forum

1. ### Summation proof

• Replies: 3
• Views: 959
Feb 25th 2011, 11:08 PM
2. ### Summation formula

• Replies: 3
• Views: 1,045
Feb 25th 2011, 09:19 PM
3. ### Negations Project

• Replies: 1
• Views: 651
Feb 25th 2011, 08:49 PM
4. ### Fibonacci Proposition

• Replies: 1
• Views: 513
Feb 25th 2011, 04:11 PM
5. ### Power Project

• Replies: 1
• Views: 454
Feb 25th 2011, 02:13 PM
6. ### Recursive Project

• Replies: 1
• Views: 493
Feb 25th 2011, 02:11 PM
7. ### Power Proof

• Replies: 1
• Views: 474
Feb 25th 2011, 01:53 PM

• Replies: 1
• Views: 1,365
Feb 25th 2011, 05:07 AM
9. ### Primitive Characters

• Replies: 0
• Views: 732
Feb 24th 2011, 11:25 PM
10. ### Godel Numbering

• Replies: 6
• Views: 1,311
Feb 24th 2011, 12:26 PM
11. ### more modulo proofs

• Replies: 5
• Views: 784
Feb 23rd 2011, 08:29 AM
12. ### True implication whose converse is false

• Replies: 1
• Views: 4,880
Feb 23rd 2011, 05:03 AM
13. ### Divisibility of binomial coefficients, countability of N^k.

• Replies: 5
• Views: 1,127
Feb 23rd 2011, 04:47 AM
14. ### Euler's theorem question finding the remainder...

• Replies: 0
• Views: 1,032
Feb 22nd 2011, 03:55 AM
15. ### prime and modulo proofs

• Replies: 3
• Views: 611
Feb 22nd 2011, 02:43 AM
16. ### Find last digit

• Replies: 7
• Views: 1,484
Feb 22nd 2011, 01:51 AM
17. ### Quantifier Project

• Replies: 1
• Views: 532
Feb 22nd 2011, 01:08 AM
18. ### Find remainder

• Replies: 0
• Views: 687
Feb 21st 2011, 01:51 PM
19. ### Range of x,y for which x^2 > y^2 holds true

• Replies: 2
• Views: 847
Feb 21st 2011, 05:05 AM
20. ### Range of a multivariable function

• Replies: 6
• Views: 3,672
Feb 20th 2011, 03:19 PM
21. ### Help with Mod Proof

• Replies: 1
• Views: 506
Feb 20th 2011, 03:19 PM
22. ### codebreaking! affine cipher

• Replies: 0
• Views: 1,181
Feb 20th 2011, 02:26 PM
23. ### Need help understanding prime factorisation

• Replies: 3
• Views: 1,667
Feb 20th 2011, 12:38 PM
24. ### Collection of Prime Numbers

• Replies: 3
• Views: 1,107
Feb 19th 2011, 05:28 AM
25. ### Equivalence relation

• Replies: 3
• Views: 1,009
Feb 18th 2011, 03:32 PM
26. ### Mathematical induction

• Replies: 6
• Views: 1,407
Feb 18th 2011, 01:25 PM
27. ### GCD Project

• Replies: 1
• Views: 794
Feb 18th 2011, 02:07 AM
28. ### Well-Ordering Proof

• Replies: 2
• Views: 1,415
Feb 18th 2011, 01:06 AM
29. ### Modulo problem

• Replies: 3
• Views: 623
Feb 17th 2011, 07:17 PM
30. ### Integer Multiplicative Proofs

• Replies: 1
• Views: 573
Feb 17th 2011, 04:32 PM

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### Phi(mn)=phi(gcd(m,n))phi(lcm(m,n))

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