345 is an odd number. This is because odd numbers don't divide by 2 exactly, but even numbers do divide by 2 exactly. 345 divided by 2 is 172.5 which is not a whole number. Therefore 345 is an odd number.
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odd * odd = odd answer even * even = even answer odd * even = even answer
Odd
37
If the last number is odd or even then the whole number is odd or even, in this case the last number is 3 which is an odd number, therefore the whole number is odd.
Yes. Odd times odd is odd. Odd times even is even. Even times even is even.