| Divisible By | Rule | Example | 
2 | 
Last digit is even(0,2,4,6,8) | 
128,120,134 last digit is 8,0,4 | 
3 | 
The sum of digit should be divisible by 3 | 
684 (6+8+4=18/3) yes | 
4 | 
Last 2 digit should be divisible by 4 | 
1416 (16/4) yes | 
5 | 
Last digit should be 0 or 5 | 
185,190 yes last digit is 5,0 | 
6 | 
Sum of digit should be divisible by 2,3 | 
1104=1+1+4=6/2=6/3 | 
7 | 
double last digit and subtract from left numberthen divide by 7 should be done | 
679=9*2=18=67-18=49/7 yes |