No, for 0 to be a factor, the numbers would have to be divisible by 0. You can't divide any number by 0, so it can't be a factor.
1 is a factor of every positive number.
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No, a whole number can be negative (or zero).
(Every counting number) plus (a zero tacked on to the end of it) is one of them.
There are 8. Also, by definition factors must be whole numbers because otherwise every non-zero number is a factor of every number (including prime numbers).
No. Zero is neither positive nor negative, by definition. A positive number is greater than zero. A negative number is less than zero. Although, zero is a non-negative number (a set that includes all positive numbers and zero).
0 is a whole, integer, and rational number. O is whole number because a whole number is every positive number