A three digit number is any counting number between 100 and 999 (inclusive). It is made up of three digits, the first of which cannot be 0.
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∙ 12y ago0.12 Or 102 if you do not want to include non integers.
The smallest 3 digit counting number less than 1000?? 100
3
875
I am assuming you are referring to a normal 3x3 sudoku grid, where you can only use the numbers 1-9 once in the grid, and by prime number you mean the 3digit number across and down the grid must be prime? For a number to be prime, it must end in 1, 3, 7 or 9. There are 5 places on the Sudoku grid for a number to finish and as you can only use a number once in sudoku you have one place left where the number can not be prime. This means the most you can have is 5 prime numbers.
the answer is 135
2087
0.12 Or 102 if you do not want to include non integers.
196, 198, 202, 204
The smallest 3 digit counting number less than 1000?? 100
it is int n=123; printf ("%d", (n/10)%10);
4*9 = 36 so 360 is one possible answer.
3
266, 267, 268
2 is prime, its only factors are one and itself.
875
12