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Whatever isn't prime:

4, 6, 8, 9, 10, 12, 14, 15, 16, 18

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Q: How can you explain how you know what the first 10 composite numbers are?
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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.


What are the first 10 composite numbers and explain how you know?

They are: 4 6 8 9 10 12 14 15 18 and 20 because they all have more than two factors.


What are the first 10 composite numbers explain how you know?

They are: 4 6 8 9 10 12 14 15 16 and 18 because each of them has more than 2 factors


How do you know if a number is composite prime or neither by looking at the factors of the number explain your answer?

Prime numbers have two factors. Composite have more than two. Neither (one and zero) have less than two.


What numbers 19 22 36 and 37 are composite?

The composite numbers in that list are 22 and 36 - you know they are composite, because they are even numbers. The other numbers are odd and prime.


How can you know weather a number is prime or composite?

Prime numbers have two factors. Composite numbers have more than two.


What is a composite number list 3 composite numbers?

dont know dont care


Is there any song to remember composite numbers?

Not that I know of.


How do you know what the 1st 10 composite numbers are?

I can check them for divisibility by prime numbers.


What are ten composite numbers explain how you know?

4, 6, 8, 9, 10, 12, 14, 15, 16, 18 They all have more than two factors.


Circle the number below that are completely how do you know they are composite numbers 2312 3819?

They are both composite numbers because they have more than two factors


How do you know 28 is composite number?

We know that 28 is a composite number because:It is an even numberIt is divisible by more than 2 numbers