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Earn +20 ptsQ: Is a prime number always added?
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Why if you add two prime numbers together they don't always give an even number?
Because 2 is a prime number and 2 added to any other prime number will give an odd result.
What prime number yields a prime number when the smallest prime number is added to it or subtracted from it?
5.
What prime number can be added to 5 so that the sum can be a prime number?
2 can be added to 5: 2+5 = 7
Is the sum of a prime number and a composite number always even?
No, the sum of a prime number and a composite number is not always even.
When you add two prime numbers why do you get an even number?
You don't always. 2 + 5 = 7, for example. But all prime numbers other than 2 are odd and two odd numbers always equal an even number when added together.
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