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How do you know when a number is a composite number?

Anonymous

∙ 11y ago

Updated: 11/1/2022

A composite number is a positive integer that has at least one positive divisor other than one or itself. For example 4,6,8,9,10, 12, 14, 15, 16, 18, 20,21, 22...are composite numbers

Wiki User

∙ 11y ago

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Q: How do you know when a number is a composite number?

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Is 649 prime or composite?

No it is a composite number if you want to know

How do you determine a composite number?

Composite numbers have more than two factors. Once you find a third factor, you know your number is composite.

What is a composite number list 3 composite numbers?

dont know dont care

Do you need to know all of the factors of a number to know it is prime or composite?

To know that a number is prime you need to know that it has no factors other than 1 and the number itself.To know that a number is composite you only need to know one factor other than the number itself or 1.

How do you know a number is a composite number?

It has more than two factors.

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Related Questions

How do you know 120 is a composite number?

You know 120 is a composite number because it is an even number that is greater than 2.

How do you know it is a composite number?

A number is composite if it has more than two factors. Once you find a third, you know.

Is 649 prime or composite?

No it is a composite number if you want to know

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

Do you need to know all of the factors of number to know if it is prime or composite?

No, if a number has even one additional factor besides itself and the number one, then you automatically know it's composite.

How do you determine a composite number?

Composite numbers have more than two factors. Once you find a third factor, you know your number is composite.

Is 276 a prime or composite number?

Composite: i know it can at least be divided by 2 and 3

What is a composite number list 3 composite numbers?

dont know dont care

Do you need to know all of the factors of a number to know it is prime or composite?

To know that a number is prime you need to know that it has no factors other than 1 and the number itself.To know that a number is composite you only need to know one factor other than the number itself or 1.

Why is it important to know if a number is prime or composite?

A prime number can never be composite in any case. There is an exception for 2 which is both.

How would you know if 86 is composite?

The only even prime number is 2. Every other even number is composite.

Is 83 composite-?

For goodness sake! This will be on a test one day and you will not know it! But, the answer is no, it is prime

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