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93 results from messages in primenumbers

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  • One, no positive integer multiplier K exists, such that for every odd positive prime P, the product J=K*P lies between a twin prime pair (A
    w_sindelar@juno.com Feb 19
  • One, For every odd positive prime A, there exists a larger prime B, such that the number C of primes from A to B inclusive is an odd prime, and the number D of odd integers from A to B inclusive is an odd prime. The smallest example is A=3, B=7, C=3, D=3. A larger example is A=127, B=211, C=17, D=43. I noticed that among the many examples I calculated, there were some where A, B, C...
    w_sindelar@juno.com Jan 25
  • Consider these pairs of primes (P, M), where M=(P+1)/2 and P is the largest member of a twin prime pair and M is also the largest member of a twin member of a twin prime pair. (P=13, M=7) (P=61, M=31) (P=1321, M=661) (P=1621, M=811) (P=4261, M=2131) (P=5101, M=2551) (P=6661, M=3331) (P=6781, M=3391) (P=11701, M=5851) (P=12541, M=6271) (P=100000000000000384201, M...
    w_sindelar@juno.com Oct 30, 2014
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  • Consider the Nth prime P and this familiar expression M=(P+1)/2. M is the Pth odd integer. Has it been proved that there exists a limitless number of N’s that equal a twin prime middle number, such that M simultaneously equals a twin prime middle number? Here are the first 4 consecutive N’s I found. N=4, P=7, M=4. N=72, P=359, M=180. N=150, P=863, M=432. N=420, P=2903, M=1452...
    w_sindelar@juno.com Oct 21, 2014
  • Consider the Nth prime P and this familiar expression M=(P+1)/2. M is the Pth odd integer. Has it been proved that there exists a limitless number of N’s that equal a twin prime middle number, such that M simultaneously equals a twin prime middle number? Here are the first 4 consecutive N’s I found. N=4, P=7, M=4. N=72, P=359, M=180. N=150, P=863, M=432. N=420, P=2903, M=1452...
    w_sindelar@juno.com Oct 21, 2014
  • Can't access prime numbers @yahoogroups. Site no longer available? Bill Sindelar ____________________________________________________________ The #1 Worst Carb Ever? Click to Learn #1 Carb that Kills Your Blood Sugar (Don't Eat This!) http://thirdpartyoffers.juno.com/TGL3131/541d8d4985828d49256dst03duc
    w_sindelar@juno.com Sep 20, 2014
  • One, For all pairs of odd positive primes A 3, the number N of even integers between A and B that are divisible by a twin prime middle number remains the same, and equals D/3, if D mod 3 equals 0, or equals (D-1)/3, if D mod 3 equals 1, or equals (D+1)/3, if D mod 3 equals 2. I found statement one to be true for many (A, B) prime pairs. I also found the following generalized...
    w_sindelar@juno.com Jul 20, 2014
  • Thank you Tom. I now realize to my embarrassment that my hasty reply to David's message 25561 is ridiculously confusing. I apologize to David and the group, and hope the following revised version of my message 25560 better explains my intent. As used here, “divisible” means division with no remainder, and “twin” means either the smaller or larger prime of a twin prime pair...
    w_sindelar@juno.com Jun 25, 2014
  • Re: Divisibility of the Sum of Two Prime Terms of Arithmetical Progressions David, none of the counterexamples you cite in your message 25561, as refuting statement two of message 25560, are divisible by a twin prime middle number. For example, 94 is not divisible by the middles 4, 6, 12, 18, 30, 42, 72. I take this opportunity to add another property to the 2 statements. Please...
    w_sindelar@juno.com Jun 24, 2014
  • As used here, “divisibilty” means division with no remainder, and “twin” means either the smaller or larger prime of a twin prime pair. One, If an arithmeical progression of the form AP=A+B*n, n=0, 1, 2, 3...n, contains prime terms, and B is divisible by 12, then the sum S of any 2 prime terms is never divisible by any twin prime middle number, and it is always equal to...
    w_sindelar@juno.com Jun 22, 2014