Anything divided by 1 is itself.
1
Anything.
Anything divided by itself equals one.
0.25
0
1 anything divided by itself is 1 (A+)
1
It can, of course, be divided by 1 and 49. It can also be divided by 7.
Anything divided by one is not changed.
Yes. 19 can be divided by 19 and 1.
It is a prime number; it can be divided by 1 and 127.