# Number Theory Forum

Number Theory Help Forum

1. ### phi(n)=2^31

• Replies: 4
• Views: 622
Jan 2nd 2007, 01:28 PM
2. ### Miller's test to base 2

• Replies: 0
• Views: 988
Jan 2nd 2007, 10:57 AM
3. ### Gcd in Gaussian integers

• Replies: 4
• Views: 1,774
Jan 2nd 2007, 10:30 AM
4. ### Gcd

• Replies: 5
• Views: 752
Jan 1st 2007, 10:54 AM
5. ### Are half of all natural numbers even?

• Replies: 13
• Views: 1,028
Dec 31st 2006, 10:08 AM
6. ### primitive root

• Replies: 2
• Views: 603
Dec 30th 2006, 02:21 PM
7. ### An other question need yr urgent help - proving a theorem!

• Replies: 1
• Views: 672
Dec 27th 2006, 06:31 AM
8. ### sequence of f_n

• Replies: 4
• Views: 622
Dec 26th 2006, 09:01 AM
9. ### 1983 AIME question

• Replies: 7
• Views: 884
Dec 26th 2006, 01:37 AM
10. ### A multiple of 17

• Replies: 1
• Views: 828
Dec 25th 2006, 10:08 AM
11. ### please help me with these two questions! Pell equation

• Replies: 5
• Views: 705
Dec 25th 2006, 08:53 AM
12. ### repunits

• Replies: 5
• Views: 615
Dec 25th 2006, 08:51 AM
13. ### how should I solve this question? number of divisors

• Replies: 5
• Views: 1,227
Dec 25th 2006, 08:43 AM
14. ### for PH and others so inclined

• Replies: 3
• Views: 855
Dec 23rd 2006, 12:54 AM
15. ### Pythagorean Triples

• Replies: 3
• Views: 679
Dec 19th 2006, 08:49 PM
16. ### Another Diophantine Question

• Replies: 1
• Views: 585
Dec 19th 2006, 06:10 AM
17. ### Primitive roots

• Replies: 5
• Views: 759
Dec 19th 2006, 05:32 AM
18. ### Need to check my answer

• Replies: 1
• Views: 820
Dec 14th 2006, 01:18 PM
19. ### least common multiple

• Replies: 2
• Views: 718
Dec 14th 2006, 12:58 PM
20. ### Diophantine equation

• Replies: 6
• Views: 967
Dec 14th 2006, 11:13 AM
21. ### Congruence Equation

• Replies: 3
• Views: 1,217
Dec 13th 2006, 05:00 PM
22. ### What is the greates positive integer...

• Replies: 1
• Views: 947
Dec 13th 2006, 04:58 PM
23. ### Euler's Theorm - Homework

• Replies: 7
• Views: 1,416
Dec 13th 2006, 08:05 AM
24. ### If a|c and b|c prove [a,b]|c ([a,b] represents lcm of a and b).

• Replies: 10
• Views: 996
Dec 8th 2006, 02:32 PM
25. ### Modular systems?

• Replies: 9
• Views: 1,045
Dec 4th 2006, 04:12 PM
26. ### number theory, solve diophantine equation

• Replies: 3
• Views: 839
Dec 3rd 2006, 07:39 PM
27. ### primitive root and quadratic residue

• Replies: 1
• Views: 1,365
Dec 3rd 2006, 07:12 PM

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