# Number Theory Forum

Number Theory Help Forum

1. ### incongruent integers

• Replies: 1
• Views: 1,033
Oct 8th 2009, 05:43 PM
2. ### proof of infinite n's s.t. sqrt(n) = irrational

• Replies: 8
• Views: 3,648
Oct 8th 2009, 01:46 PM
3. ### square root of 1 (mod n). How to give a proof??

• Replies: 3
• Views: 978
Oct 7th 2009, 11:35 PM
4. ### Strong psuedoprime test related question

• Replies: 0
• Views: 452
Oct 7th 2009, 10:27 PM
5. ### systems of congruences

• Replies: 3
• Views: 913
Oct 7th 2009, 08:07 PM
6. ### 3 probably simple questions

• Replies: 2
• Views: 839
Oct 7th 2009, 06:00 PM
7. ### Modular Multiplicative Inverse

• Replies: 6
• Views: 1,662
Oct 6th 2009, 12:56 PM
8. ### prove that the binomial (p-1) over k is congruent to -1^k modulo p

• Replies: 1
• Views: 935
Oct 5th 2009, 11:11 PM
9. ### How to find a basis for the space of cusp form of congruence subgroups

• Replies: 0
• Views: 534
Oct 5th 2009, 09:49 PM
10. ### Division problem

• Replies: 1
• Views: 761
Oct 5th 2009, 07:29 PM
11. ### order

• Replies: 1
• Views: 419
Oct 5th 2009, 04:48 PM
12. ### [SOLVED] Prove that a^p is congruent to b^p (mod p^2) if the same is true mod p

• Replies: 2
• Views: 5,307
Oct 5th 2009, 03:02 PM
13. ### complete residue modulo

• Replies: 5
• Views: 911
Oct 5th 2009, 02:53 PM
14. ### Two problems with Fermat and Wilson

• Replies: 1
• Views: 1,607
Oct 5th 2009, 02:48 PM
15. ### Asymptotic behavior of the number of perfect squares less than x

• Replies: 1
• Views: 594
Oct 5th 2009, 12:39 PM
16. ### Factoring large primes

• Replies: 1
• Views: 890
Oct 5th 2009, 03:19 AM
17. ### Finding square roots mod n

• Replies: 5
• Views: 2,125
Oct 5th 2009, 02:48 AM
18. ### Prove

• Replies: 3
• Views: 567
Oct 5th 2009, 12:36 AM
19. ### Given any 12 natural numbers...

• Replies: 2
• Views: 682
Oct 4th 2009, 11:50 AM
20. ### x^2=1

• Replies: 1
• Views: 447
Oct 4th 2009, 06:04 AM
21. ### Proof n^2 + n is even

• Replies: 8
• Views: 857
Oct 4th 2009, 03:28 AM
22. ### Sum

• Replies: 1
• Views: 424
Oct 4th 2009, 01:22 AM
23. ### [SOLVED] Help with powers and roots

• Replies: 4
• Views: 880
Oct 3rd 2009, 11:41 PM
24. ### Binomial sum

• Replies: 2
• Views: 393
Oct 3rd 2009, 09:09 AM
25. ### Primes and Squares again

• Replies: 6
• Views: 524
Oct 3rd 2009, 07:16 AM
26. ### Prove that if p is an odd prime, 1^2 * 3^2 ...(p-2)^2 = (-1)^(p+1)/2 (mod p)

• Replies: 3
• Views: 3,647
Oct 3rd 2009, 05:18 AM
27. ### Last 2 digits of 3^400

• Replies: 3
• Views: 5,740
Oct 2nd 2009, 03:39 PM
28. ### Sum of the factors

• Replies: 4
• Views: 741
Oct 2nd 2009, 02:05 PM
29. ### Primes and Squares

• Replies: 1
• Views: 875
Oct 2nd 2009, 12:00 AM

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