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There are infinitely many ways.
Think of any number, say x.
calculate y = 13 - x
Then x + y = 13
Since the choice of x was arbitrary, there are infinitely many answers.
That applies to pairs of numbers. You can repeat the process for sums of 3, 4, ... numbers.
Also, you can look at multiplication and other ways of combining numbers (binary operations).
What else can I help you with?
What to numbers multiplied together make 13?
There are no two WHOLE NUMBERS that equal 13 besides the obvious 1 & 13.
What two numbers multiply to make 40 and add to make -13?
The two numbers that multiply to make 40 and add to make -13 are -8 and -5. When you multiply -8 and -5, you get 40, and when you add them together, you get -13.
What two numbers make 39?
13 and 3
Which 2 numbers multiplied together make 13?
1 x 13 and 13 x 1
Which to prime numbers make 20?
They are: 13+7 = 20
What to numbers multiplied together make 13?
There are no two WHOLE NUMBERS that equal 13 besides the obvious 1 & 13.
What two numbers multiply to make 40 and add to make -13?
The two numbers that multiply to make 40 and add to make -13 are -8 and -5. When you multiply -8 and -5, you get 40, and when you add them together, you get -13.
Which two prime numbers multiply to make 403?
13*31=403 13 and 31 are prime numbers.
What 2 numbers multiply to make 169?
338
What two numbers make 39?
13 and 3
Which 2 numbers multiplied together make 13?
1 x 13 and 13 x 1
What two prime numbers make 900?
887 and 13
Which to prime numbers make 20?
They are: 13+7 = 20
What pair of prime numbers make 52?
2 and 13.
How many ways can you make 1 3?
In whole numbers, 2. 1 * 13 = 13
What consecutive numbers make 36?
The consecutive numbers that add up to 36 are 11, 12, and 13. When you add these three numbers together (11 + 12 + 13), the sum is 36.
What two prime numbers make up 169?
They are: 13*13 = 169 or 167+2 = 169
