Just look at the last digit. If it's even, then the number is even. If it's odd, then the number is odd.
(The other digits tell you how many tens, hundreds, etc. Ten, or a multiple of ten - like seventy or eighty - is always even. Same goes for hundreds, thousands, etc.)
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To determine if a number is even or odd, you can check if the number is divisible by 2. If the number is divisible by 2 without leaving a remainder, then it is even. If the number is not divisible by 2 or leaves a remainder when divided by 2, then it is odd.
One quick way to tell whether or not a cell is dividing is to look at the number of chromosomes. If the number is doubled then it is dividing.
No remainder because the digits of 45549 finally add up to 9
You can look at the last digit. If the lest digit of a whole number is even, the number is even.
it is a composite number because you can tell from the 8 that it is an even number, and even numbers can always be divided.