They can be: 830 or 30 to the power of 8
3333
999 x 9 = 8991
2
2
974
They can be: 830 or 30 to the power of 8
The greatest 3-digit number is 999. 9+9+9 = 27 The sum of the greatest 3-digit number is 27.
3333
999 x 9 = 8991
2
2
999 is greatest.
The greatest number would be 871.
The greatest 3 digit number is 999, and all three digits are the same.
3. 3 is the greatest number that goes into both 3 and 6.
"Greatest Common" implies two or more numbers. The question only asked about one, the number 3, and is therefore unanswerable. The greatest factor of 3 is 3, but there is no greatest common factor of only one number.