9876543
The largest 5-digit number without repeating digits is 98765. This number uses the highest available digits in descending order, ensuring that no digit is repeated. The digits 9, 8, 7, 6, and 5 are all unique and form the highest possible 5-digit combination.
98765432
123,456,789
9876543
9876543
It is 98765.
987654
10234567
987654321
I believe it is: 987,654
987
9876543