Every even number not less than 6 is the sum of two odd primes Cui Kun 266200,Jimo, Qingdao, Shandong, China E-mail: cwkzq@126.com Abstract: :Every even number not less than 6 is the sum of two odd primes, abbreviated as (1 + 1),expressed in,after in-depth study, it is found that: 【1】Truth formula equation: =+2π- , 【2】Odd composite logarithm density theorem: = 【3】The inference Q = 3 + q1 + q2 of the theorem of three primes gives a general proof of ≥ 1 【4】)Is an increasing function, inference:)≥ and extended to ≥ ≥1, 【5】According to the double sieve method and prime theorem, It can be further deduced that: r2() ≥ [ ] ≥1 key words: Prime number theorem; Three prime number theorem; Increasing function 1: Re agree that 1 is an odd prime number, and the truth formula equation is: =C+2π- Number of odd sums in even : There are different odd numbers in total,there are different odd sums: There are four odd sum classifications related to: [1](odd prime, odd prime), abbreviated as 1 + 1, so that there are [2] (odd composite number, odd composite number), abbreviation: C + C, so that there are [3](odd prime, odd composite), abbreviation: 1 + C,so that there are [4](odd composite number, odd prime number), abbreviation: C + 1, so that there are W According to its symmetry: =W Let have (π - 1) + 1 = π different odd primes, then: +C+W+M= .......................〈1〉 M= π- ................................〈2〉 M=W.......................................〈3〉 With the above formulas (1), (2) and (3), it is obtained: =C+2π- Where and C are natural numbers, and π is a non-zero natural number, Even number ≥ 6 For example:30 π(30)=10,namely:1,3,5,7,11,13,17,19,23,29 C(30)=3,namely:(9,21),(15,15),(21,9) M(30)=2,namely:(3,27),(5,25) W(30)=2,namely:(27,3),(25,5) r2(30)=8,namely:(1,29),(7,23),(11,19),(13,17), (17,13),(19,11),(23,7),(29,1) r2(30)=C(30)+2π(30)- = 3+2*10-15=8 2.Lemma: = prove: + - + - =0,≤) =0 + - 0= + 0 - = 3. ≥1prove: According to the theorem of three prime numbers thoroughly proved by Peruvian mathematician Harold heovgert: Each odd number greater than or equal to 9 is the sum of three odd primes, and each odd primes can be reused. It is expressed by the following formula: Q is each odd number ≥ 9, odd prime number: q1 ≥ 3, q2 ≥ 3, q3 ≥ 3, Then Q = q1 + q2 + q3 According to the law of combination of addition and exchange, let q1 ≥ q2 ≥ q3 ≥ 3, then: Q+3=q1+q2+q3+3 Q+3-q3=3+q1+q2 Obviously, when there is and only q3 = 3, Q = 3 + q1 + q2, which is the inference of the theorem of three primes Therefore, every odd number Q greater than or equal to 9 is the sum of 3 + two odd primes. According to the inference Q = 3 + q1 + q2, each even number not less than 6 = Q-3 = q1 + q2 Therefore, "every even number not less than 6 is the sum of two odd primes", That is, there is always ≥1For example, take any large odd number: 309, please prove that 306 is the sum of two odd primes. Proof: according to the theorem of three prime numbers, we have: 309 = q1 + q2 + q3 According to the law of additive commutative Association, there must be a problem: three prime numbers: q1 ≥ q2 ≥ q3 ≥ 3 Then: 309+3=3+q1+q2+q3 309+3-q3=3+q1+q2 Obviously, when q3 = 3, 309 = 3 + q1 + q2 Then:306=q1+q2 ) is an increasing function Proof: )=C)+2π) - = 2C()+4π() - 2 () When x+1,then there: C()+2π()-()≡ *[C()+2π()-()] When , 【1】According to lemma: = ..................<1> = .....................<2> <1>/<2>: = 1 C() ~C()……...(a) 【2】According to the prime theorem: =1........<3> =1...........<4> <3>/<4>: =1. ~)…………(b) 【3】 ≡ 1 = 1 = 1..............(c) Substitute equations (a) and (b) into equation (c), And order =, The numerator and denominator on the left of the equation are the same as divided by - - =1- = 1 ~* >>1,≥,inference:≥ Therefore:)=C)+2π) - is an increasing function And inference: ≥ extended to ≥ [] ≥1 Since even numbers can be divided into square even numbers and non square even numbers: 【1】≥, even ≥ 6 【2】≥ [],even number ≥ 6 5. According to the double sieve method and prime theorem, It is further deduced that: r2() ≥ [ ] ≥1 Proof: For conjugate reciprocal sequence A, B: A:{1,3,5,7,9,……,(-1)} B:{(-1),……,9,7,5,3,1} Steps of double screen method: Establish the following reciprocal sequence: The first term is 1, the last term is -1, and the tolerance is 2 The first term is -1 and the last term is 1, Sequence B of equal differences with tolerance - 2 Obviously,= A + B The odd prime set {Pr} is obtained according to the Ehrlich sieve method: {1,3,5,…,pr},pr< In order to obtain the (1 + 1) tabular method number of even , carry out step-by-step operation according to the double screen method: Step 1: use 3 pairs of sieves to obtain the true residual ratio m1 Step 2: use 5 pairs of sieves to obtain the true residual ratio m2 Step 3:The remaining reciprocal sequence is sieved with 7 pairs to obtain the true residual ratio m3 … And so on to: Step r: Use pr double screen to obtain the true residual ratio mr after the remaining reciprocal sequence In this way, the double screen method (1 + 1) for even number n is completed. According to the multiplication principle, there are: r2()=(/2)*m1*m2*m3*…*mr r2()=(/2)∏mr For example:70 [√70]=8,{Pr}={1,3,5,7}, 3|/70,m1=13/35 5|70, m2=10/13 7|70, m3=10/10 According to the truth formula: r2(70) =(70/2)*m1*m2*m3 =35*13/35*10/13*10/10 =10 r2(70)=10 The first step of the double screen method: first screen the sequence of A. according to the prime number theorem, there are at least [ ] odd primes in A, That is, there are at least [ ] odd primes in the conjugate reciprocal sequence AB at this time Step 2: filter the B-sequence, and the sieve is the same Then, according to the multiplication principle, it is deduced that there are at least : r2() ≥ [ ] ≥1,odd prime number in the conjugate sequence AB For example: 70
Step 1: filter the sequence of a first. There are at least [ ] = [ ] = 16 odd primes in A, and π (70) = 19, That is, there are at least [ ] = [ ] = 16 odd primes in the conjugate reciprocal sequence AB at this time. Step 2: screen the b sequence, and the sieve is the same , so it is deduced that there are at least: r2 (70) ≥ [70 / (ln70) ^ 2] = 3 ,odd primes,r2(70)=10
Therefore, r2( ) ≥[ ] ≥1 odd prime number, that is, each even number n not less than 6 is the sum of two odd prime numbers. 6. Conclusion: 【1】=C+2π- 【2】 = 【3】Inference of three prime theorem:Q=3+q1+q2 【4】)=C)+2π) - Is an increasing function ~*,inference:≥ 【5】inference:≥ ,further expand into≥ [] ≥1 【6】 r2( )≥ [ ] ≥1 7. Reference [1] Major Arcs for Goldbach's Theorem. Arxiv [Reference date 2013-12-18] [2] Minor arcs for Goldbach's problem.Arxiv [Reference date 2013-12-18] |
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