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Q: Is a prime number always even?

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No, the sum of a prime number and a composite number is not always even.

No.

No, and you do not even if you reverse them.

Kind of. The only prime number that is even is 2.

Not quite.When two prime numbers of 3 and higher are added together, the result is always even, because all such prime numbers are odd numbers, and when two odd numbers are added together, the result is always an even number.However 2 is a prime number, and 2 is also an even number. Adding 2 (an even number) to a different prime number (an odd number) will always yield an odd number.Only if you don't include "2".

No. A given number need not even be divisible by a given prime.

Two is even and it's a prime number. All other even numbers can never be prime though because they will always be divisible by 2. So in fact, not all prime numbers are odd, but 2 is the only even prime number.

Yes, it is. Any whole number times an even number will be even. This is because whole numbers can be represented as the product of their prime factors. Every even number contains 2 as a prime factor (thereby excluding all even numbers above 2 from being prime.) Additionally, the product of any two numbers is equal to the product of their prime factors. This means that the result of multiplying an even number by a whole number will always have a prime factor of 2, making it an even number.

Prime numbers, except 2, are always odd (they would not be prime if they were even cos they would be divisible by 2.) 1 less than any odd number must be an even number.

No, as a matter of fact there is no such thing as a prime and even number. Even numbers will always be able to divide by two.

No, they do not. If one of the prime numbers is 2, you will have an odd number.

No. 2 is a prime number, and any product of 2 and another prime number will be even.

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