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# Number Theory Forum

Number Theory Help Forum

1. ### (n^2 - n)+41 : factorising the composite values of this polynomial. Comments?

• Replies: 0
• Views: 647
Nov 22nd 2017, 09:48 AM
2. ### Prove the following sum

• Replies: 6
• Views: 851
Nov 17th 2017, 08:19 AM
3. ### Cryptography : Key distribution protocol exam question

• Replies: 0
• Views: 539
Nov 13th 2017, 01:20 PM
4. ### Diophantine equation

• Replies: 7
• Views: 790
Oct 30th 2017, 09:23 AM
5. ### Greatest common divisor (division algorithm) proof using extreme principle

• Replies: 0
• Views: 624
Oct 19th 2017, 07:19 AM
6. ### from private message

• Replies: 9
• Views: 930
Oct 14th 2017, 04:32 AM
7. ### Help with this mod problem

• Replies: 0
• Views: 559
Oct 11th 2017, 08:05 AM
8. ### Elementary proof clarification.

• Replies: 2
• Views: 596
Oct 3rd 2017, 07:08 AM
9. ### multiplicative functions

• Replies: 0
• Views: 502
Sep 27th 2017, 10:59 PM
10. ### mpqs algoritm pari/gp

• Replies: 0
• Views: 596
Sep 17th 2017, 03:47 AM
11. ### Collatz Conjecture Investigation

• Replies: 3
• Views: 1,016
Sep 5th 2017, 03:47 AM
12. ### arithmetic problem

• Replies: 7
• Views: 795
Aug 23rd 2017, 04:31 PM
13. ### test

• Replies: 0
• Views: 577
Aug 23rd 2017, 01:36 PM
14. ### Find the largest five digit number that is divisible by 7, 10, 15, 21 and 28.

• Replies: 2
• Views: 1,644
Jul 30th 2017, 04:27 AM
15. ### Why 9 is my favourite number

• Replies: 5
• Views: 821
Jun 26th 2017, 03:05 PM
16. ### Linear diophantine equation - 7 variables

• Replies: 4
• Views: 678
Jun 26th 2017, 01:39 PM
17. ### Prime squared -1 problem

• Replies: 3
• Views: 790
Jun 16th 2017, 04:13 AM
18. ### Number theory problem proof

• Replies: 7
• Views: 1,112
Jun 15th 2017, 12:25 PM
19. ### class 10 question

• Replies: 2
• Views: 913
May 18th 2017, 06:15 AM
20. ### Problem with Congruences

• Replies: 1
• Views: 620
May 13th 2017, 05:52 PM
21. ### primitive roots

• Replies: 2
• Views: 729
Apr 26th 2017, 12:13 PM
22. ### Perfect Square Number

• Replies: 3
• Views: 867
Apr 20th 2017, 04:00 PM
23. ### beginner question

• Replies: 2
• Views: 853
Apr 20th 2017, 03:10 PM
24. ### Prime Number Sequence

• Replies: 1
• Views: 726
Apr 19th 2017, 09:33 AM
25. ### Find the number of pairs (x,y)

• Replies: 5
• Views: 1,268
Apr 16th 2017, 03:04 AM
26. ### Show that for any positive integer m,n, (3×9^n +1)/( 6 m -1 ) is not an integer

• Replies: 0
• Views: 674
Apr 10th 2017, 09:22 AM
27. ### Find all prime numbers that divide 50!.

• Replies: 2
• Views: 2,682
Apr 10th 2017, 08:27 AM

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

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