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Thread / Thread Starter	Last Post	Replies	Views
Sticky: Proposal for new subforum ( 1 2 3 4 5) ewmayer	2005-10-10 23:25 by ewmayer	49	27,774
Finding number of eigenvalues of general nxn matrix? ( 1 2 3) 10MDIGITPRIME	2006-03-12 00:57 by R. Gerbicz	22	6,925
Faster way to do LLT? ( 1 2 3) 1260	2005-09-04 07:12 by BWetter246	23	4,424
Is this a feasible factoring method? ( 1 2 3 4 5) 1260	2010-05-31 17:37 by 10metreh	46	5,564
A (very) weak factoring method. ( 1 2 3) 3.14159	2010-05-31 23:21 by 3.14159	29	4,336
A strange applet: 3.14159	2010-06-01 01:29 by 3.14159	7	2,737
SPRP pseudoprime search. 3.14159	2010-07-14 23:00 by 3.14159	6	1,567
Wheel factorization: Efficient? ( 1 2 3 4 5 ... Last Page) 3.14159	2010-08-30 07:21 by CRGreathouse	520	23,464
Integers = sums of 2s and 3s. ( 1 2) 3.14159	2010-07-21 11:47 by 3.14159	12	2,743
Thread for posting tiny primes ( 1 2 3 4 5 ... Last Page) 3.14159	2021-02-13 08:40 by LaurV	947	42,006
Database for k-b-b's: ( 1 2 3 4 5 ... Last Page) 3.14159	2016-04-09 17:45 by lorgix	325	20,573
Prime posting thread, part 2. (With a catch.) ( 1 2 3 4 5 ... Last Page) 3.14159	2021-11-14 05:28 by sweety439	56	7,097
Types of primes searched for. 3.14159	2010-12-04 13:09 by science_man_88	2	1,138
Hey, folks 3.14159	2012-09-14 00:06 by 3.14159	4	961
ecm thing 3.14159	2016-12-16 23:58 by VBCurtis	3	2,081
base 42 project 3.14159	2018-12-17 13:11 by kar_bon	3	878
Reinventing the bicycle about Mersenne prime ( 1 2 3 4) 353085177	2017-04-29 11:38 by science_man_88	34	2,609
All primes 7UDG3	2021-03-22 10:59 by LaurV	10	786
Concept of the Infinity ( 1 2 3 4 5) 9021951	2011-11-04 21:43 by SarK0Y	51	5,369
Start of the Thread " Infinities " 9021951	2011-11-02 21:39 by 9021951	0	999
Final Lucas Lehmer residuals and Pythagorean triples ( 1 2) a nicol	2017-12-19 11:34 by science_man_88	21	3,423
2^n-1 mod 7 = 0,1,3,0,1,3,0...? a nicol	2019-04-30 14:39 by lukerichards	7	1,628
Factors for the differences between Mersenne numbers a nicol	2020-10-15 09:53 by LaurV	1	1,612
Visualising the Sieve of Eratosthenes a nicol	2020-10-20 14:05 by a nicol	0	1,769
First prime before & after a factorial is a prime distance away? a nicol	2021-03-24 07:09 by SethTro	7	1,213
The "one billion minus 999,994,000" digits prime number ( 1 2 3 4 5 ... Last Page) a1call	2015-11-12 14:59 by Xyzzy	179	19,758

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≠ ± ∓ ÷ × · − √ ‰ ⊗ ⊕ ⊖ ⊘ ⊙ ≤ ≥ ≦ ≧ ≨ ≩ ≺ ≻ ≼ ≽ ⊏ ⊐ ⊑ ⊒ ² ³ °
∠ ∟ ° ≅ ~ ‖ ⟂ ⫛
≡ ≜ ≈ ∝ ∞ ≪ ≫ ⌊⌋ ⌈⌉ ∘ ∏ ∐ ∑ ∧ ∨ ∩ ∪ ⨀ ⊕ ⊗ 𝖕 𝖖 𝖗 ⊲ ⊳
∅ ∖ ∁ ↦ ↣ ∩ ∪ ⊆ ⊂ ⊄ ⊊ ⊇ ⊃ ⊅ ⊋ ⊖ ∈ ∉ ∋ ∌ ℕ ℤ ℚ ℝ ℂ ℵ ℶ ℷ ℸ 𝓟
¬ ∨ ∧ ⊕ → ← ⇒ ⇐ ⇔ ∀ ∃ ∄ ∴ ∵ ⊤ ⊥ ⊢ ⊨ ⫤ ⊣ … ⋯ ⋮ ⋰ ⋱
∫ ∬ ∭ ∮ ∯ ∰ ∇ ∆ δ ∂ ℱ ℒ ℓ
𝛢𝛼 𝛣𝛽 𝛤𝛾 𝛥𝛿 𝛦𝜀𝜖 𝛧𝜁 𝛨𝜂 𝛩𝜃𝜗 𝛪𝜄 𝛫𝜅 𝛬𝜆 𝛭𝜇 𝛮𝜈 𝛯𝜉 𝛰𝜊 𝛱𝜋 𝛲𝜌 𝛴𝜎𝜍 𝛵𝜏 𝛶𝜐 𝛷𝜙𝜑 𝛸𝜒 𝛹𝜓 𝛺𝜔