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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. 40 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 2 because it is an even number. Therefore, 40 is a composite number.

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Factoring and Multiples

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Q: Is 40 a prime number or a composite number?
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Related questions

Is 40 a composite or a prime number?

40 is composite. Its prime factorization is 23 * 5.


40 prime number?

No because 40 is a composite number with more than two factors.


40 composite or prime?

40 is composite.


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It is a composite number because it has more than two factors


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Is 40 a prime or composite?

40 is a composite number. This is because composite numbers are any number that has more than two factors(one and itself). Therefore, since 2 and 4 to name a few are factors of 40 that makes it a composite number.


How can you tell that 40 is a prime or composite number?

It is a composite number because it's an even number and it has more than two factors


Is 40 a prime number?

no Prime numbers are divisible only by themselves and 1. 40/10 = 4, for example, so no it is not prime.


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composite because it has more than two factors.


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no even number greater than 2 is prime so it is composite40 is a composite number. This is because composite numbers are any number that has more than two factors(one and itself). Therefore, since 2 and 4 to name a few are factors of 40 that makes it a composite number.


is 40 a composite number or prime?

no even number greater than 2 is prime so it is composite40 is a composite number. This is because composite numbers are any number that has more than two factors(one and itself). Therefore, since 2 and 4 to name a few are factors of 40 that makes it a composite number.


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