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Math Help - primes

  1. #1
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    primes

    Prove that 10,007 is the smallest prime greater than 10,000.
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  2. #2
    Senior Member
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    Nov 2009
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    Just trial and error:

    10001 = 73 x 137
    10002 = even
    10003 = 7 x 1429
    10004 = even
    10005 = last digit is 5
    10006 = even
    10007 = prime (test by dividing through all primes up to 101)
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