# Number Theory Forum

Number Theory Help Forum

1. ### Estimate the number of digits in p_n where p_n+1 = 2^(p_n) - 1

• Replies: 0
• Views: 488
May 18th 2010, 12:02 AM
2. ### ABC conjecture

• Replies: 0
• Views: 595
May 18th 2010, 12:00 AM
3. ### RSA and number of decryption exponents

• Replies: 1
• Views: 821
May 17th 2010, 12:24 PM
4. ### Simple Number Theory

• Replies: 5
• Views: 719
May 17th 2010, 03:12 AM
5. ### How to reduce number of tables?

• Replies: 5
• Views: 4,432
May 17th 2010, 12:32 AM
6. ### integer solutons

• Replies: 2
• Views: 324
May 16th 2010, 01:58 PM
7. ### Coprime Test

• Replies: 1
• Views: 1,202
May 16th 2010, 12:40 AM
8. ### fermat's little theorem

• Replies: 8
• Views: 671
May 15th 2010, 05:20 PM
9. ### Relatively Prime Set of Integers

• Replies: 3
• Views: 640
May 15th 2010, 01:32 AM
10. ### Basic number problem

• Replies: 2
• Views: 793
May 14th 2010, 11:43 PM
11. ### Odd Primes Proof (Should be simple)

• Replies: 11
• Views: 789
May 14th 2010, 12:42 PM
12. ### Fermat Numbers Problems

• Replies: 6
• Views: 991
May 14th 2010, 12:34 PM
13. ### Proving Polynomials Take On Composite Values

• Replies: 10
• Views: 1,606
May 14th 2010, 11:16 AM
14. ### Beginners Number Theory Problem

• Replies: 10
• Views: 901
May 14th 2010, 08:44 AM
15. ### Convergence

• Replies: 4
• Views: 662
May 13th 2010, 07:29 AM
16. ### [SOLVED] Recursive sequence and primes

• Replies: 13
• Views: 1,053
May 12th 2010, 08:14 PM
17. ### Sum of digits in base 3

• Replies: 1
• Views: 965
May 12th 2010, 05:21 PM
18. ### Isosceles Triangle With Integer Sides

• Replies: 7
• Views: 1,501
May 12th 2010, 11:27 AM
19. ### encryption vig

• Replies: 2
• Views: 468
May 11th 2010, 11:31 PM
20. ### Factor Large Factorial

• Replies: 3
• Views: 544
May 11th 2010, 01:18 PM
21. ### Modular arithmetic problem

• Replies: 1
• Views: 770
May 11th 2010, 01:12 PM
22. ### Proving divisibility

• Replies: 4
• Views: 795
May 11th 2010, 10:00 AM
23. ### For any integer n

• Replies: 6
• Views: 879
May 10th 2010, 10:25 PM
24. ### fast modulo

• Replies: 3
• Views: 730
May 10th 2010, 05:02 PM
25. ### Chinese Remainder Theorem

• Replies: 1
• Views: 645
May 10th 2010, 02:24 PM
26. ### Strong pseudoprime

• Replies: 3
• Views: 1,390
May 10th 2010, 11:24 AM

• Replies: 2
• Views: 613
May 10th 2010, 08:04 AM
28. ### Set of Very Challenging Problems ):

• Replies: 7
• Views: 1,124
May 10th 2010, 03:17 AM

• Replies: 13
• Views: 510
May 9th 2010, 02:45 PM
30. ### Pell Equation and Class numbers

• Replies: 2
• Views: 600
May 9th 2010, 02:07 PM

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