9,999,876 is the greatest seven-digit number using four different digits.
99987
1324
greatest number9999987
999 x 9 = 8991
97 has two factors.
9999876
9,999,876 is the greatest seven-digit number using four different digits.
9801.
99987
1324
greatest number9999987
999 x 9 = 8991
9409.
The greatest four digit number is 9999 Therefore 9999 = 3 × 3 × 11 × 101
3201
The greatest six-digit number is 199,999.