Can anyone help me confirm that this is the 10 millionth Prime?

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  1. #1
    Code Monkey Davros's Avatar
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    Can anyone help me confirm that this is the 10 millionth Prime?

    Hi there,

    Can any one help me confirm that this is the 10 millionth prime? I've already done a trial-by-division test on it, but would like to see it listed in a credible reference. Could any one point me to one?

    179,424,673

    Can find loads of pages on the internet listing the millionth prime, but nothing above, except for mersenne primes.

    Cheers

    Andy
    OS: Windows XP
    Compilers: MinGW (Code::Blocks), BCB 5

    BigAngryDog.com

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    C++ Witch laserlight's Avatar
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    I also did a trial by division test for the 10 millionth prime (some time ago), and my result was 179424673, which matches yours.

    If you want to check further, my result for the 20 millionth prime was 373587883.

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    Code Monkey Davros's Avatar
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    Hi,

    Thanks for the reply & thanks for the info. Just done a test on 373587883 with my own home brew trial by division code, it says it's prime.

    Also just wanted to add a foot note to my original post. I wouldn't want anyone thinking I'm under illusions that a 10 million prime is big or anything. It was just a bit of fun. Was just curious if anyone knows a good site which lists primes bigger than a million and the gives the digits explicitly.
    OS: Windows XP
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    BigAngryDog.com

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    Registered User glUser3f's Avatar
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    http://mathworld.wolfram.com/news/2003-12-02/mersenne/

    the text file that actually lists the digits in non-scientific notation form is over 6MB!

  6. #6
    C++ Witch laserlight's Avatar
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    That one also is mainly on Mersenne primes.

    There are lists of primes out there, but for some reason my own sources kept on leading me elsewhere.

  7. #7
    Code Monkey Davros's Avatar
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    >here you go:
    >http://www.prime-numbers.org/

    Thanks. That's what I wanted.

    Cheers
    OS: Windows XP
    Compilers: MinGW (Code::Blocks), BCB 5

    BigAngryDog.com

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