Is 661 an even or odd number?

Here are a couple of methods you can use to figure out if 661 is an even or odd number:

Divide By Two Method
You can divide 661 by two and if the result is an integer (whole number) then it is an even number. Otherwise, it is an odd number. 661 divided by 2 is 330.5, which is not an integer. Therefore, 661 is an odd number.

Last Number Method
Another way to determine if 661 is and even or odd number is simply to look at the last digit in 661. If the last digit is 0, 2, 4, 6, or 8 then the number is even, and if it is 1, 3, 5, 7, or 9 then it is an odd number. The last digit in 661 is 1, therefore, 661 is an odd number.

661 = odd number

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Is 662 an even or odd number?
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