Yes, because 315/105 = 3. 105 can divided into 315 entirely.
35
3.15
0.8468
52.5
As 315 is ending with a 5 it can be divided by 5 315/5=63 As 6+3=9 then it can be divided by 9 63/9=7 7 is a prime number Then 315 = 32 x 5 x 7
3.5
0.1302
39.375
0.019
315
315