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I think I found an algorithm for prime numbers, I mean, it works in a loop form 0 to x CristianS9	2022-10-11 15:51 by CristianS9	0	314
Double Cubic Frobenius Trinomial test paulunderwood	2022-10-10 15:48 by paulunderwood	3	601
Playing with Fermat jnml	2022-10-08 20:39 by Dr Sardonicus	9	2,296
Alternative to LL ( 1 2 3 4) paulunderwood	2022-10-06 22:13 by paulunderwood	37	6,611
3 mod 4 with free parameter ( 1 2) paulunderwood	2022-09-24 10:59 by paulunderwood	12	1,224
Parallel Parabolas a1call	2022-09-05 02:31 by a1call	7	662
Can I borrow some ECM of a friendly CPU? ( 1 2 3) fatphil	2022-09-01 14:43 by fatphil	23	2,393
Probable primes of the form (2^(p^2)-1) / (2^p-1) ( 1 2) a1call	2022-08-20 05:55 by a1call	20	2,453
Mistake in OEIS ? kijinSeija	2022-08-18 03:24 by LaurV	1	256
Sieve Wheel User140242	2022-08-10 13:04 by Dr Sardonicus	10	3,108
Primes made me do it! My prime discovery lonestar108	2022-07-31 20:43 by xilman	4	937
Value-Counting Up to N BAbdulBaki	2022-07-31 11:02 by BAbdulBaki	0	481
More left twin primes (below Mersenne p) than right twin primes ( 1 2 3 4) drkirkby	2022-07-17 03:34 by sweety439	43	8,352
Mersenne Primes p which are in a set of twin primes is finite? carpetpool	2022-07-14 02:29 by sweety439	4	7,406
On the mod(x^2,p)=mod(x^2,p^2)=mod(x^2,p^3) = and so on RomanM	2022-07-08 18:49 by Batalov	1	253
Moved: Is it possible for an odd perfect number to have the form 8*k+5? carpetpool	-	-	-
Phi mod 11 is congruent 4 and 8 ( 1 2 3) x13420x	2022-07-02 22:12 by Batalov	32	1,639
factoring Semiprimes with Proximal factors a1call	2022-06-25 02:25 by a1call	8	535
Fermat numbers and primality bur	2022-06-23 16:39 by mathwiz	1	885
Ulam spirale, envolved to RomanM	2022-06-23 12:20 by RomanM	2	326
What is the largest perfect number found? usergood	2022-06-22 17:41 by retina	10	549
A test for primality? paulunderwood	2022-06-11 11:54 by paulunderwood	8	2,335
Pseudo Fact - Last Digits of Mersenne Primes Graph2022	2022-05-21 13:58 by Dr Sardonicus	8	1,656
Does it sound random? - Regards Perfect numbers ( 1 2) Graph2022	2022-05-06 15:06 by Dr Sardonicus	11	1,709
Presentation and doubts with the application and competition of 100000000 prime digits ( 1 2 3) apzyx	2022-05-06 13:40 by Dr Sardonicus	29	3,106

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∅ ∖ ∁ ↦ ↣ ∩ ∪ ⊆ ⊂ ⊄ ⊊ ⊇ ⊃ ⊅ ⊋ ⊖ ∈ ∉ ∋ ∌ ℕ ℤ ℚ ℝ ℂ ℵ ℶ ℷ ℸ 𝓟
¬ ∨ ∧ ⊕ → ← ⇒ ⇐ ⇔ ∀ ∃ ∄ ∴ ∵ ⊤ ⊥ ⊢ ⊨ ⫤ ⊣ … ⋯ ⋮ ⋰ ⋱
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𝛢𝛼 𝛣𝛽 𝛤𝛾 𝛥𝛿 𝛦𝜀𝜖 𝛧𝜁 𝛨𝜂 𝛩𝜃𝜗 𝛪𝜄 𝛫𝜅 𝛬𝜆 𝛭𝜇 𝛮𝜈 𝛯𝜉 𝛰𝜊 𝛱𝜋 𝛲𝜌 𝛴𝜎𝜍 𝛵𝜏 𝛶𝜐 𝛷𝜙𝜑 𝛸𝜒 𝛹𝜓 𝛺𝜔