Yes, it does; 625 times. It is counterintuitive, isn't it?
not evenly
Not evenly.
no
75 can be evenly divided by 1, 3, 5, 15, 25, and 75. 15 can be evenly divided by 1, 3, 5, and 15.
No. 663 is not evenly divisible by 15.
Any multiple of 15.
No. 68 is not evenly divisible by 15.
No. 80 is not evenly divisible by 15.
No. 40 is not evenly divisible by 15.
No. 15 is not evenly divisible by 12.
Yes, 15 times 7 equals exactly 105. So 15 will go into 105 evenly.