If you add the digits in a number together and that number can be devided by three than the original number can be devided my three also. Ex. 273, 2+7+3=12. 12 can be devised by three so 273 can too.
6
Yes.
3 is a prime number so the only number that will go into it is 1 and 3. However 3 doesn't go into 10. So therefore there is only one answer which is 1.
1 and 3 itself
3
5, 7, and 3 go into 105.
The number 3.
The number is 60.
The number is 1.
Yah
Just 1 and 3.
3