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Q: Why is 231 a composite number?

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The composite factors of 231 are 21, 33, 77, 231

231 is a composite number. This is because composite numbers are any number that has more than two factors(one and itself). Therefore, since 3, 7, and 11 to name a few are factors of 231 that makes it a composite number.

Yes, it is.

231 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 have a different name.

A prime number is a number with two and only two factors: 1 (also known as unity) and itself. A composite number is a number with more than two factors; in other words, it has at least one factor besides 1 and itself. 231 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 3. (You can check this by adding the digits of the number: 2 + 3 + 1 = 6. If the sum of the digits is divisible by 3, the number is also divisible by 3.) Therefore, 231 is a composite number.

A prime number has two factors, a composite number has more than two.

231 is NOT a prime number. It is divisible by 3, 7 and 11.

It is a composite number.284 is a composite number

It is a composite number.

36 is a composite number

94 is a composite number

Composite number

no it is not a composite number

Composite.

It is a composite number.

It is a composite number.

Both. It is a number and it is composite.

A composite number.

It is a composite number.

It is a composite number.

It is a composite number.

It is a composite number.

It is a composite number.

It is a composite number.

It is a composite number.