greatestnumber
nounUK /ˈɡreɪtɪst ˈnʌmbə/
US /ˈɡreɪtɪst ˈnʌmbər/
The greatest number is the biggest number in a group.
In the set 3, 7, and 5, the greatest number is 7.
OTHER MEANINGS
2. The largest value that a set of numbers can reach.
The greatest number on the dice is six.
3. The top score or amount in a game or contest.
Her greatest number of points in one game was twenty.
4. The biggest number you can make with a group of digits.
Using 4, 1, and 9, the greatest number is 941.