Do you see that ' 7 ' on the end of 127 ? That ' 7 ' is odd, so the entire number
is odd. It doesn't matter how many other numbers come before the ' 7 ' or what
they are.
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Odd. It's 165.
The parity rules are: Odd + Odd = Even Even + Even = Even Odd + Even = Odd Even + Odd = Odd So the parity where one number is even is that of the other number. This means that you can go through a list of numbers and ignore all the even numbers. Every PAIR of odd numbers has even parity and by the previous paragraph, even parity can be ignored. So you can pair off odd numbers and ignore them.
The difference of an odd number and an even number is an odd number.
An even number can be a multiple of an odd number OR an even number. An odd number cannot be a multiple of an even number.
Always odd.