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# Number Theory Forum

Number Theory Help Forum

1. ### Cryptography : Key distribution protocol exam question

• Replies: 0
• Views: 492
Nov 13th 2017, 02:20 PM
2. ### Diophantine equation

• Replies: 7
• Views: 734
Oct 30th 2017, 10:23 AM
3. ### Greatest common divisor (division algorithm) proof using extreme principle

• Replies: 0
• Views: 560
Oct 19th 2017, 08:19 AM
4. ### from private message

• Replies: 9
• Views: 866
Oct 14th 2017, 05:32 AM
5. ### Help with this mod problem

• Replies: 0
• Views: 510
Oct 11th 2017, 09:05 AM
6. ### Elementary proof clarification.

• Replies: 2
• Views: 544
Oct 3rd 2017, 08:08 AM
7. ### multiplicative functions

• Replies: 0
• Views: 457
Sep 27th 2017, 11:59 PM
8. ### mpqs algoritm pari/gp

• Replies: 0
• Views: 545
Sep 17th 2017, 04:47 AM
9. ### Collatz Conjecture Investigation

• Replies: 3
• Views: 958
Sep 5th 2017, 04:47 AM
10. ### arithmetic problem

• Replies: 7
• Views: 740
Aug 23rd 2017, 05:31 PM
11. ### test

• Replies: 0
• Views: 529
Aug 23rd 2017, 02:36 PM
12. ### Find the largest five digit number that is divisible by 7, 10, 15, 21 and 28.

• Replies: 2
• Views: 1,372
Jul 30th 2017, 05:27 AM
13. ### Why 9 is my favourite number

• Replies: 5
• Views: 761
Jun 26th 2017, 04:05 PM
14. ### Linear diophantine equation - 7 variables

• Replies: 4
• Views: 631
Jun 26th 2017, 02:39 PM
15. ### Prime squared -1 problem

• Replies: 3
• Views: 734
Jun 16th 2017, 05:13 AM
16. ### Number theory problem proof

• Replies: 7
• Views: 1,060
Jun 15th 2017, 01:25 PM
17. ### class 10 question

• Replies: 2
• Views: 846
May 18th 2017, 07:15 AM
18. ### Problem with Congruences

• Replies: 1
• Views: 576
May 13th 2017, 06:52 PM
19. ### primitive roots

• Replies: 2
• Views: 676
Apr 26th 2017, 01:13 PM
20. ### Perfect Square Number

• Replies: 3
• Views: 816
Apr 20th 2017, 05:00 PM
21. ### beginner question

• Replies: 2
• Views: 813
Apr 20th 2017, 04:10 PM
22. ### Prime Number Sequence

• Replies: 1
• Views: 671
Apr 19th 2017, 10:33 AM
23. ### Find the number of pairs (x,y)

• Replies: 5
• Views: 1,209
Apr 16th 2017, 04:04 AM
24. ### Show that for any positive integer m,n, (3×9^n +1)/( 6 m -1 ) is not an integer

• Replies: 0
• Views: 615
Apr 10th 2017, 10:22 AM
25. ### Find all prime numbers that divide 50!.

• Replies: 2
• Views: 2,065
Apr 10th 2017, 09:27 AM
26. ### Find minimum natural value of n such that (n/2)^n > n! > (n/3)!

• Replies: 4
• Views: 800
Apr 2nd 2017, 08:26 PM
27. ### Very prime like number

• Replies: 4
• Views: 823
Mar 31st 2017, 06:52 AM

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

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