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9 is the composite number. the factors are: 1,3 and 9. all the rest are prime.

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Q: Which of the following numbers is composite 5 7 9 11?
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Related questions

How many composite numbers are between 1 and 11?

5 and they are 2,3,5,7,11 2 3 5 7 11


Which numbers are prime numbers and which are composite numbers from 1 to 100?

1 is special 2 prime 3 prime 4 composite 5 prime 6 composite 7 prime 8 composite 9 composite 10 composite 11 prime 12 composite ext.


Is 3 5 7 11 a composite number Why or why not?

None of those numbers are composite because:in math there are composite and prime numbers.prime numbers can't be factored (have two numbers that multiply to get that number).prime numbers can only be "made" by multiplying themselves by 1.exp. only 1 x 11 gives you 11.composite numbers have factors other than themselves and 1.exp. you can get 24 by multiplying 12 x2, 8x3, 4x6, 24x1.3, 5, 7, and 11 are prime numbers.


Is 2 3 4 5 6 78 9 10 11 12 composite numbers?

Composite numbers in the list: 4, 6, 8, 9. 10. 12 Prime numbers in the list: 2, 3, 5, 7, 11


A number between 11 and 20 that is both composite and odd?

15 is a composite number - it can be divided by 3 and 5. 11, 13, 17 and 19 are all prime numbers, not composite.


Is there more prime numbers then composite numbers?

There are many, many more composite numbers than prime numbers. For example, beyond the number 3, every other number is composite, as it is divisible by 2. Following this, every number ending with a 5 other than 5 itself is composite, as it is divisible by 5, and every third odd number is divisble by 3. There are many complicated divisibility tests for numbers above 5.


What is an example of a number that is not composite?

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31 are prime numbers. they are not composite numbers.


Which of the following groups of numbers are all prime numbers A 2 3 5 9 or B 3 11 23 31 or C 2 5 15 19 or D 7 17 29 49?

2, 3, 5, and 9 includes one composite number - 9. 3, 11, 23, and 31 are all prime numbers. 2, 5, 15, and 19 includes one composite number - 19. 7, 17, 29, and 49 includes one composite number - 49.


How many composite numbers from -5 to 11?

4, 6, 8, 9, 10


How many composite numbers are there from -5 to 11?

Four numbers 6, 8, 9, 10


What is the sum of 5 composite numbers?

The sum of 5 composite numbers can be either composite, or prime, depending on the case.


Are 5 9 11 17 and 27 a prime number?

5, 11 and 17 are prime number but 9 and 27 are composite numbers