The difference is 90000000
8*112
992
The greatest six-digit number is 199,999.
The highest individual digit is 8, but the 4, in the hundreds place, has the greatest value.
The difference is 90000000
It is: 8
8*112
It is 99992.
There is only one even prime number (2). There are no 8-digit even primes.
992
To be an even number then the final digit = 2. The largest single prime digit is 7 (as both 8 and 9 are composite). The greatest even number fulfilling the conditions is 77777772.
79999999 of course.
It is 99984.
992
The greatest six-digit number is 199,999.
The highest individual digit is 8, but the 4, in the hundreds place, has the greatest value.