It is called a factor.
2 divides 4 into 2 with no remainder, 3 divides 6, 12 divides 36, 4 divides 12, there are way to many to name them allIs called a factor.
That's a factor.
A factor of the number.
It is the remainder that is sometimes left over but not always.
It is a factor.
Undefined: You cannot divide by zero
The largest cube is 23 = 8 which divides 72 with a remainder of 0.