The greatest possible remainder is 6. If it were 7 or more, you'd be able to take another 7 out of it.
It is 22.
That is true.
One less than the divisor, so 6.
The greatest common factor, or GCF.
The greatest remainder when you divide by 21 is 20. This is because the remainder is always less than the divisor. Therefore, when a number is divided by 21, the possible remainders range from 0 to 20, with 20 being the highest.
12!
6
It is the number itself.
It is 22.
40
It is: 40
If you're dividing a whole number by 2, then the greatest possible remainder is 1.
That is true.
One less than the divisor, so 6.
9 is the largest integer that can divide into both 36 and 81 evenly with no remainder.
The greatest common factor, or GCF.
58