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Prime numbers

Discussion in 'Fun and Games' started by Minnie, May 2, 2014.

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  1. Silvermoon

    Silvermoon Guest

    But is sure looks like one: a prime in disguise?

    71
     
    #21 Silvermoon, May 3, 2014
  2. Anonymouse7

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    #22 Anonymouse7, May 3, 2014
  3. Slothus

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    #23 Slothus, May 3, 2014
  4. Holdingb

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    #24 Holdingb, May 3, 2014
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    #25 Andrew99, May 3, 2014
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    #26 person57, May 4, 2014
  7. Slothus

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    #27 Slothus, May 4, 2014
  8. Iowan1976

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    #28 Iowan1976, May 4, 2014
  9. Holdingb

    Holdingb Guest

    You monster, it's as if you don't even Prime Number bruh :3

    Aaaanyways, 103
     
    #29 Holdingb, May 4, 2014
  10. confuzzled82

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    107.

    3 more posts til we hit a Mersenne Prime
     
    #30 confuzzled82, May 4, 2014
  11. Minnie

    Minnie
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    Well spoted, Gwendolyn.

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    #31 Minnie, May 5, 2014
  12. confuzzled82

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    Minnie, 71 was at the top of the page. Next is 109. Now we hit a Mersenne prime in 2 posts...
     
    #32 confuzzled82, May 5, 2014
  13. KnownSecret

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    #33 KnownSecret, May 6, 2014
  14. Pret Allez

    Pret Allez
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    #34 Pret Allez, May 6, 2014
  15. KnownSecret

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    127 Mersenne prime xD

    Oh and btw 119 isn't a prime number it's divisible by 7.
     
    #35 KnownSecret, May 6, 2014
  16. Ruprect

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    Sharp eye there.

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    #36 Ruprect, May 6, 2014
  17. confuzzled82

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    #37 confuzzled82, May 6, 2014
  18. Ruprect

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    #38 Ruprect, May 6, 2014
  19. Pret Allez

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    149.

    Sigh, I should just start running these numbers through my trial division program for small numbers rather than checking in my head for divisibility by very small primes. 7, 11, and 13 are stupid numbers.

    And yes, I know there are faster sieves than trial division, I just don't care at the moment.
     
    #39 Pret Allez, May 6, 2014
    Last edited: May 6, 2014
  20. confuzzled82

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    #40 confuzzled82, May 6, 2014
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