999,987,654
9987654321
99,998,765
It is 99,887,765
99 is the largest two digit number. If I can use the digits anyway I want, then 9 to the 9th power is larger
To find the largest three-digit even number using the digits 3, 4, and 5, you need to arrange these digits in descending order to maximize the number, ensuring that the last digit is even. The largest possible even number is 542
The only number that ONLY has two and five as factors is 10, which has two digits, so there are no numbers that are three digits long and ONLY have two and five for factors. However, if you are asking what the largest three digit number that has two and five for factors, it would be the largest three digit number with ten as a factor, as ten the the LCM of two and five, and that would be 390.
Since there are only five different digits, a 6-digit number can only be generated if a digit can be repeated. If digits can be repeated, the smallest 6-digit number is 111111.
974. If you mean the largest one with ONLY the digits 4 and 7, then 774. If it can only contain 7 and 4 but doesn't have to have both, then 777.
The largest digits number with only 2 digits alike is 99
22412
4312