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9 is not a Prime number as it is divisible by 3

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Q: What number is not a prime numbers 3 5 7 9 11?
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Related questions

Are 21 and 11 prime numbers?

11 is a prime number but 21 is not a prime number as it is divisible by 3.


Is 2 3 7 9 11 13 prime numbers odd numbers or composite numbers?

2 is an even prime number. 3, 7, 11, 13 are odd prime numbers.


Is 3 11 12 prime numbers?

no. 3 and 11 are prime numbers. 12 is not a prime number as it can be divided by other things apart from itself and one. these other numbers are 3, 4, 6 and 2.


The first 5 prime numbers are 2 3 5 7 11 which is the smallest number that has these prime numbers?

multiply these prime numbers together to get your answer


Are 11 and 39 prime numbers?

11 is a prime number as it can only by divided by 2 numbers one and itself But 39 is not a prime number as it can be divided by 3 and 13 as well as one and itself.


What is the product of the first prime number and the fifth prime number?

The first prime numbers are 2, 3, 5, 7, 11, 13, 17, and 19. The first prime number is 2 and the fifth prime number is 11. The product of these two numbers is 2 x 11 = 22.


Why is 33 not a prime number?

33 is not a prime number because it is divisible by numbers other than 1 and itself. Specifically, it is divisible by 3 and 11, as 33 = 3*11.


What are the smallest prime numbers?

what is the smallest prime number that can be made up from the sum of 3 prime numbers


Is 2 3 5 7 11 prime number?

Yes - they are all prime numbers


Which of these numbers are prime 3 7 6 or 11?

3, 7 and 11 are prime numbers.


Is 1155 divisible by four different prime numbers?

No, the number 1155 is divisible by four prime numbers (3, 5, 7, 11).


What number can go into 3 and 11?

3 and 11 are both prime numbers. The only factor they have in common is 1.