Q: Is -2 a prime number or not and why?

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But 2 is a prime number.

NO,2 is the only prime number which is even, so 2 is not a odd prime number.

2 is a prime number. 1 is not a prime number

2 is itself a prime.

2 is a prime numberIt is a prime number.

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But 2 is a prime number.

NO,2 is the only prime number which is even, so 2 is not a odd prime number.

If the number is < 2 then it is not a prime. If the number is == 2 then it is a prime. If the number is divisible by 2 then it is not a prime and so on.

Prime Factorization of 22 is a prime number, so it does not have a prime factorization.

2 is a prime number. 1 is not a prime number

2 is itself a prime.

2 is a prime numberIt is a prime number.

yes, 2 is a prime number but 1 is not.

prime

2 is a prime number because it has two factors. It is the only even prime number.

2 is a prime number because its only factors are one and itself. Since 2 is a prime number, if it is a factor of your number, it is a prime factor.

2 is even, and it is a prime number. No other even number is prime, since by definition, an even number has 2 as a factor.