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What number would be a counterexample to the following conjecture Prime numbers are odd?
2 would be a counterexample to the conjecture that prime numbers are odd. 2 is a prime number but it is the only even prime number.
Why are square numbers one less than a prime number always even?
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.
Is a 14 a prime number?
No. 14 is an even number and the ONLY even prime is 2.
Can an Even number be prime why?
Yes it can. 2 is an even number and it is prime.
Is 7 a prime number and a even number?
7 is prime and not even.
Are there any prime numbers that are even?
Yes. The number two. After that, any other even number would be divisible by two and not a prime number.
What number would be a counterexample to the following conjecture Prime numbers are odd?
2 would be a counterexample to the conjecture that prime numbers are odd. 2 is a prime number but it is the only even prime number.
Can a even number connot be a prime number?
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.
Why are square numbers one less than a prime number always even?
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.
Can a even number be a prime number?
Yes, 2 is a prime number and an even number.
Is 992 a prime number?
No. No even number can be prime and 992 is an even number.
Is number on e a prime or even number?
The number 1 is prime, but not even.
Does every prime number have one even prime number?
No. The only even prime number is 2.
Is a 14 a prime number?
No. 14 is an even number and the ONLY even prime is 2.
Is 1990 prime or even?
1,990 is NOT a prime number but it is an even number.
Which number is even and prime?
2 is the only prime number that is even.
Can an Even number be prime why?
Yes it can. 2 is an even number and it is prime.
