Question

We have concluded that 315 is exactly divisible by 15 with the help of the test of divisibility by
1) 2 and 5
2) 3 and 5
3) 2 and 3
4) only 6​

Answer 1

2 and 1

hope it helps you,,,,,,,

15×2=30

15×1=15

15)315(21

30

15