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Search took 0.02 seconds. Search: Posts Made By: hyh1048576
Forum: Lounge 2004-06-26, 02:42
Replies: 17
Views: 1,477
Posted By hyh1048576
What about the number of mersenne primes are...

What about the number of mersenne primes are finite?
For example, only 41 primes.(Though I don't hope so) :confused: :confused:
Forum: Teams 2004-06-26, 02:31
Replies: 1
Views: 1,799
Posted By hyh1048576
Exclamation Faint...HELP ME!!!

When I wanted to join a team......
I found I can't......
Because my account was created as a team :sad: :sad: :sad:

Team leader : hyh :question: :question:
Contact e-mail :...
Forum: Puzzles 2003-09-28, 15:35
Replies: 0
Views: 1,099
Posted By hyh1048576
Question A problem of number theory

Show that there is infinite perfect squares in the sequence [n*sqrt(2003)],here [.] is the floor function:squash: :squash: :squash: :squash: :squash:
Forum: Puzzles 2003-09-28, 15:14
Replies: 0
Views: 1,159
Posted By hyh1048576
A physics puzzle

The hyperbola can be used to mathematically model part of the track of a roller coaster ride.Y=23/(1050-5x ) models such a ride.

a) Explore the safety aspects of travelling as a passenger inside...
Forum: Lounge 2003-08-25, 09:12
Replies: 7
Views: 1,093
Posted By hyh1048576
5 months has already passed Now...... But...

5 months has already passed
Now......

But When...? :?
Forum: Lounge 2003-08-25, 08:41
Replies: 12
Views: 4,140
Posted By hyh1048576
I reply it so it can get to the top of the forum...

I reply it so it can get to the top of the forum :) ......And it's time to discuss it again :D
Forum: Software 2003-08-22, 13:37
Replies: 16
Views: 2,541
Posted By hyh1048576
I think the expected completion date should be...

I think the expected completion date should be more precise. ;)

For example, my is usually 10 days earlier than the date I clear the exponents.(My current exponent was assigned to me on July...
Forum: Lounge 2003-08-20, 05:56
Replies: 447
Views: 24,580
Posted By hyh1048576
302875106592253 = 13^13 Do not always factor...

302875106592253 = 13^13

Do not always factor the numbers~ :(
What I mean by 233333(I post it yesterday) is :
2 is a prime
23 is a prime
233 is a prime
2333 is a prime
23333 is a prime...
Forum: Lounge 2003-08-19, 23:26
Replies: 447
Views: 24,580
Posted By hyh1048576
This thread dead?????????????????????? :( ...

This thread dead?????????????????????? :(

NO!!NO!!!NO!!!!

7697181 = 3 × 71 × 36137 ;)

233333
Forum: Software 2003-08-19, 05:49
Replies: 5
Views: 1,958
Posted By hyh1048576
Does Prime95 has a list of primes inside it???

I'm wondering this because when trying to write a math program, I came across some trouble. :(

Does Prime95 has a list of primes inside it???(If so, it will be quite large :? ) When we try to...
Forum: Lounge 2003-08-18, 15:10
Replies: 7
Views: 1,170
Posted By hyh1048576
But when I saw this it's No.6 (without counting...

But when I saw this it's No.6 (without counting sticky) ;)
It seems that you failed :( :( :(

So I'm coming to help you :)
Forum: Puzzles 2003-08-16, 14:18
Replies: 9
Views: 827
Posted By hyh1048576
Too Bad!!!!!It is obvious that S1 is always one...

Too Bad!!!!!It is obvious that S1 is always one of the two soldiers :? Not obvious!!!

2 (S1 and S2 cross the river)
2 (S2 returns)
10 (S10 and S5 cross the river)
1 (S1 returns)
2 (S1 and S2...
Forum: Puzzles 2003-08-16, 01:55
Replies: 9
Views: 827
Posted By hyh1048576
No!It should be 17 minutes ;) 17=2+2+10+1+2

No!It should be 17 minutes ;)

17=2+2+10+1+2
Forum: Lounge 2003-08-11, 05:49
Replies: 447
Views: 24,580
Posted By hyh1048576
Here is an answer (not very good :surprised:ops:...

Here is an answer (not very good :surprised:ops: ) :
12285=3*5*7*13*9
14595=3*5*7*139 ;)

1855
Forum: Lounge 2003-08-09, 10:49
Replies: 447
Views: 24,580
Posted By hyh1048576
The Composite cofactors of Fermat numbers F(23)...

The Composite cofactors of Fermat numbers F(23) has 2525215 digits :)

31536000
Forum: Lounge 2003-08-09, 07:21
Replies: 447
Views: 24,580
Posted By hyh1048576
7625597484987=3^(3^3) :) But please don't...

7625597484987=3^(3^3) :)

But please don't post numbers of the form a^b ;) , such as 1048576 :)

78557
Forum: Factoring 2003-08-08, 06:33
Replies: 11
Views: 2,503
Posted By hyh1048576
Post the numbers you have tried to factor here

Post the numbers you have tried to factor (without success) and how much work you have done here. Maybe someone will go on with your number------For example, maybe me :)
Forum: Lounge 2003-08-08, 03:42
Replies: 447
Views: 24,580
Posted By hyh1048576
The only square number Fibonacci numbers are 1...

The only square number Fibonacci numbers are 1 and 144.

274177(a prime devides...... :? )
Forum: Lounge 2003-08-02, 06:39
Replies: 15
Views: 1,136
Posted By hyh1048576
:mad: :mad: :mad: :exclaim: :exclaim: ...

:mad: :mad: :mad: :exclaim: :exclaim: :exclaim: August the first is not the same as April the first ;) Then just do as Cheesehead told you 8)
Forum: Lounge 2003-08-01, 05:46
Replies: 15
Views: 1,136
Posted By hyh1048576
:? I don't think it is right. ;) If...

:? I don't think it is right. ;)

If gcd(A,B)>1, they are not relatively primes. So when A,B,C are relatively primes, gcd(A,B)=1, so gcd ( gcd ( A, B ), C )=gcd(1,C) must be equal to 1 :exclaim:...
Forum: ElevenSmooth 2003-07-31, 12:42
Replies: 90
Views: 9,753
Posted By hyh1048576
I think I'm going to pick up pakaran's work. Has...

I think I'm going to pick up pakaran's work. Has anyone already taken it? :)
Forum: Puzzles 2003-07-30, 14:52
Replies: 1
Views: 579
Posted By hyh1048576
Hey!Have a try?

Surpose a is the largest root of equation x^3-3x^2+1=0
Show that [a^2003]=6(mod17)(6.17 is my mother's birthday :D ), here [] is the floor function.

It won't be too difficult :)
Forum: Puzzles 2003-07-30, 03:45
Replies: 9
Views: 834
Posted By hyh1048576
It seems to be right, but...... :? That's funny!...

It seems to be right, but...... :? That's funny! The latter sentence shows that (8m^4-m,2m) where m is a positive integer is also solutions(that's because m+l=2kn^2=8m^4).

What's wrong?Here:...
Forum: Math 2003-07-30, 03:07
Replies: 1
Views: 780
Posted By hyh1048576
[p,2p] is too large a range. :? Of course...

[p,2p] is too large a range. :?
Of course there are primes,but it's too difficult to found(or do primary test) ;)
Forum: NFSNET Discussion 2003-07-29, 12:23
Replies: 10
Views: 1,142
Posted By hyh1048576
I started running ECM at B1=11M on M811. Each...

I started running ECM at B1=11M on M811. Each curve is taking under 6 minutes, so it won't be long until this B1 is completed and we can think about doing b1=44M.

Paul[/quote]Emmm......So fast...
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