The remainder can be anything from zero to 20 ... 21 possibilities.
It is not possible to answer this since the divisor is unknown.
The Greatest Common Divisor of 21, 189 is 21.
The Greatest Common Divisor (GCD) for 21 12 is 3.
The Greatest Common Divisor (GCD) for 21 39 is 3.
The Greatest Common Divisor of 105, 189 is 21.
1,3,7, and 21
17.4762
Yes.
Divisor.
The Greatest Common Divisor is 21
The Greatest Common Divisor is 21
7.3333