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Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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Topic	Forum	Replies	Last post
1 Fast way to find primes. by Primenumbers	This is Cool	8	2020-10-16 15:32:01 by Knewlogik
2 Is this Publishable? by Primenumbers	Help Me !	0	2020-05-08 20:06:44 by Primenumbers
3 Can someone help me write a proof for my idea? by Primenumbers	Help Me !	2	2019-01-13 12:35:18 by Primenumbers
4 If 2p + 1 is a factor of 2^p - 1 then it is prime, proof. by Primenumbers	This is Cool	0	2019-01-13 03:29:21 by Primenumbers
5 Sophie Germain primes and Mersenne number divisors by Primenumbers	This is Cool	0	2019-01-08 12:36:40 by Primenumbers
6 The Meaning Of Life Is In The Dictionary! :) by Primenumbers	Dark Discussions at Cafe Infinity	3	2018-08-27 13:17:52 by KerimF
7 Martial Arts are completely useless by Primenumbers	Dark Discussions at Cafe Infinity	4	2018-08-08 15:36:11 by George,Y
8 Which Mersenne Number is this number a factor of? Proof by Primenumbers	This is Cool	0	2018-08-01 21:19:42 by Primenumbers
9 Proving Primality Using Minus 1 Divided By 2 by Primenumbers	This is Cool	4	2018-07-31 10:22:56 by Primenumbers
10 Why prime numbers aren't random by Primenumbers	This is Cool	7	2018-07-24 01:13:58 by George,Y
11 Mersenne Number Factors Using Minus 1 Divided By 2 by Primenumbers	This is Cool	0	2018-06-22 04:58:25 by Primenumbers
12 To find out if x is prime using only addition! by Primenumbers	This is Cool	0	2017-09-04 14:57:58 by Primenumbers
13 More accurate than the Prime Number Theorem. by Primenumbers	This is Cool	2	2017-07-23 08:00:50 by Primenumbers
14 Triangular numbers and composites by Primenumbers	This is Cool	1	2017-04-20 23:17:58 by bobbym
15 An easy way to find out if a number is prime. by Primenumbers	This is Cool	0	2017-01-14 22:08:44 by Primenumbers
16 Largest prime gap theorem by Primenumbers	This is Cool	0	2017-01-13 02:22:37 by Primenumbers
17 Reducing the no. of potential factors for n^2+1. by Primenumbers	This is Cool	9	2016-10-29 20:25:54 by zetafunc
18 I think this is a new proof of Fermat's Last Theorem. by Primenumbers	This is Cool	3	2016-05-23 17:30:37 by thickhead
19 I am going to climb Everest by Primenumbers [ 1 2 ]	Dark Discussions at Cafe Infinity	48	2016-05-15 03:58:50 by bobbym
20 Any Fellow Smokers? by Primenumbers	Dark Discussions at Cafe Infinity	8	2016-05-03 16:29:22 by Jai Ganesh
21 Using Fermat's Little Theorem to find primes. by Primenumbers	This is Cool	8	2016-05-03 02:58:24 by Primenumbers
22 A New Way Of Finding If "p" Is Composite. by Primenumbers	This is Cool	13	2016-04-25 04:32:44 by Primenumbers
23 Mersenne Prime Theorem by Primenumbers	This is Cool	3	2016-04-23 21:39:55 by googol
24 Twin Prime Proof by Primenumbers	This is Cool	2	2016-04-23 01:19:49 by Primenumbers
25 Mersenne Primes. by Primenumbers	Help Me !	3	2016-03-15 04:30:41 by bobbym
26 Prime number Theorem! by Primenumbers	This is Cool	5	2016-02-12 04:45:53 by bobbym
27 Infinite No. of twin primes! (attempt 3) by Primenumbers	This is Cool	0	2015-11-08 06:29:12 by Primenumbers
28 Infinite No. of twin primes! (attempt 2). SIMPLE... by Primenumbers	This is Cool	1	2015-11-04 04:48:09 by Primenumbers
29 The Pattern Of The Primes. by Primenumbers	This is Cool	2	2015-10-31 01:21:53 by Primenumbers
30 Proof that there are an infinite number of twin primes attempt 2. by Primenumbers	This is Cool	1	2015-07-22 02:38:43 by Primenumbers

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