Code Explanation

Can someone explain what the exclamation mark in the following function does?

Code:

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/* Multiple function definition */
int multiple( int num1, int num2 )
{

    return ! ( num2 % num1 ); /* Returns true or false */
   
} /* End function hypotenuse */

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Thanks

DMKanz07

The result of the logical negation operator ! is 0 if the value of its operand compares unequal to 0, 1 if the value of its operand compares equal to 0. The result has type int. The expression !E is equivalent to (0==E).