Yes
It is divisible by 3 and 5 leaving no remainders
675 is not a prime number. It is divisible by 3.
No.
Multiples of 675 are divisible by 675. 675 is divisible by 1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675
The prime factors of 675 are 3, 3, 3, 5, and 5, so 675 is divisible by 3 and 5. It is also divisible by the product of any two or more of those factors so, for instance, 675 is divisible by 9, 15, 25, 27, 75, etc.
Yes.
Out of that list, just 3, 5 and 9.
60
The factors of 675 are: 1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675
1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675
3 divided by2 = 1.5
3, 5, 9, 15, 25, 27, 45, 75, 135, and 225 are all factors of 675 675 = 3 x 3 x 3 x 5 x 5