Find the greatest-digit number that is divisible by 2.
A whole number is divisible by 2 if its units digit is 0, 2, 4, 6,
or 8 (an even number).
So, the greatest 7-digit number has the digit 8 in the units place. For all other place values, use the digit 9.
Therefore, the greatest 7-digit number that is divisible by 2 is