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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.
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 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.
Can a even number be a prime number?
Yes, 2 is a prime number and an even number.
Is number on e a prime or even number?
The number 1 is prime, but not even.
Is 992 a prime number?
No. No even number can be prime and 992 is an even number.
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.
Why is every prime number greater then 2 an odd number?
Because if they were even they would be a multiple of 2 and thus not prime.
What number would be a counter example to the following conjecture. Prime numbers are odd?
The number 2 is even as well as prime.
Can an Even number be prime why?
Yes it can. 2 is an even number and it is prime.
