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Math Help - Congruency

  1. #1
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    Congruency

    I am having trouble with this problem:

    987x Ξ 610 (mod 1597)

    Thank you for your help!
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by jmc1979 View Post
    I am having trouble with this problem:

    987x Ξ 610 (mod 1597)

    Thank you for your help!
    Note that 610 = -987 (mod 1597)

    So
    987x = -987 (mod 1597)

    x = -1 (mod 1597)

    x = 1596 (mod 1597)

    -Dan
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  3. #3
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    Thanx

    Thank you!
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