99875
Marissa Williams
66421
the largest five digit number that can be formed using the digits 7 and 9 is 97,000
9876543210 as a string. However, if you allow other ways of combining digits, the answer becomes impossible - since there is no limit to the ways in which such operations might be defined.
976542
9876543210, without using any mathemeatical operations.
66421
the largest five digit number that can be formed using the digits 7 and 9 is 97,000
9650 is the largest formed by re-ordering the digits.
9876543210 as a string. However, if you allow other ways of combining digits, the answer becomes impossible - since there is no limit to the ways in which such operations might be defined.
Without using exponents or factorials, that's it.
99997
976542
651
985
9876543210, without using any mathemeatical operations.
You get the largest number if you sort the digits, from largest to smallest.
96425 Larger numbers can be made by cascading the powers, but not on here because the notation won't take it.