Because it is devisible by 2
There are two things you have to ask. 1. Does it ends in a zero? If the answer is no then there is no need to move on to the next question. It is not devisible by 20 2. If you take off that zero then are you left with an even number? if the answer to both of these is yes then It is devisible by 20
No, 1731 is devisible by 3.
25 is divisible by 1, 5, 25
Itself and one because 31 is a prime number
Because it is devisible by 2
No whatever 2 and 3 are divisible by then that number is divisible by 6
no
45
There are two things you have to ask. 1. Does it ends in a zero? If the answer is no then there is no need to move on to the next question. It is not devisible by 20 2. If you take off that zero then are you left with an even number? if the answer to both of these is yes then It is devisible by 20
708/6 is 118.
Any of its multiples including itself
No, 1731 is devisible by 3.
105
No, 45 divided by 4 is 11.25
To devise is to build on an idea. IT IS LIKE INVENTING SOMETHING
25 is divisible by 1, 5, 25