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23 is odd. A sum of two even numbers never makes an odd number. Likewise, no sum of two odd numbers makes an odd number. 23 can only be made by adding an odd and an even number.
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Related questions
What numbers must you add to make an even number?
You must add either two odd numbers or two even numbers.
Why cant two even numbers have a gcf of 1?
Because all even numbers have two as a factor.
What number cant you add two prime numbers to get it?
The numbers 1, 2 or 3 are such numbers.
What do you get when you add two even numbers together?
An Even number.
Which even numbers add up to 35?
None. If you add two even numbers, you'll end up with another even number.
What two even numbers can you add together to get an odd number?
There cannot be two such numbers.
What combination of numbers always results in an odd number?
Multiply two odd numbers Add an even and an odd Subtract an odd and an even
What kind of sum will you get if you add two even numbers?
even of course
If you add two odd numbers will the sum be odd or even?
even
What happens when you add two even numbers?
The answer is also even Number.
Can you add two odd numbers to get an even number?
no
Are even numbers under addition numbers?
Yes, when you add any two even numbers, the result is always an even number.
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