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Why is number 9 a prime number?
Actually, 9 is NOT a prime number.
What number's cant a prime number end in why?
Other than 2, no prime numbers are even. So prime numbers can't end in even numbers. After 5, no prime number can end in 5. After 5, all prime numbers end in 1, 3, 7 or 9.
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.
One-digit even number that is prime?
2, is the only one-digit even number that is a prime number.
What is the prime number 4 6 2 9?
Two and nine are prime numbers. Two is the only even prime number.
Why is number 9 a prime number?
Actually, 9 is NOT a prime number.
What number has its prime factor as 9?
9 is not a prime number.
What number's cant a prime number end in why?
Other than 2, no prime numbers are even. So prime numbers can't end in even numbers. After 5, no prime number can end in 5. After 5, all prime numbers end in 1, 3, 7 or 9.
Is every prime number odd?
Every single prime number Is odd , with the exception of 2 being an even number , but ... Not every single odd number is going to be prime. Example: 9-1,3,9
Why is 1 and 9 not a prime number?
Actually, 9 is NOT a 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.
Julia says that prime numbers have to be odd and composite numbers have to be even. is she correct explain how you know?
Julia is incorrect. 2 is an even prime number and 9 is an odd composite number.
Is 9 a prime number of 1269?
9 is not a prime number since 9 = 3*3. So 9 cannot be a prime number of 1269 or any other 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.
