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When referring to positive integers, prime means having only two factors and composite means having more than two.

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8y ago

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13y ago

A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1, 2, and 0. 1, 2, and 0 have a different name.

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Q: What are the rules of prime and composite number?
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Related questions

Is 400 a prime number or a composite number?

400 is a composite number because it is divisible by more than two numbers. Because it ends in a 0, the divisibility rules indicate it is divisible by 2, 5, and 10. (It is also divisible by other numbers.) It is not a prime number because a prime number has exactly two factors, 1 and itself.


Is 350 composite or prime?

350 is a composite number. it can be divisible by 10, 35, 5, 2 etc. You will find it easier to tell between prime and composite if you know the divisibility rules. one simple one is that if a number ends with zero it is divisible by 10...there are a lot of other divisibility rules.


Is 1029 a prime or composite?

It is not a prime number, it is a composite number.


What are the rules to prime factorization?

they have to be composite


Is 17 prime or composite number?

It is prime


Is 86 a prime or composite number?

86 is not a prime number, so is a composite.


Is 211 prime or composite number?

It is a Prime number, and therefore not a composite number.211 is a prime number.


Is 168 a prime or a composite number?

No 168 is not a prime number it is a composite number


How can your knowledge of divisibility rules help you to determine whether a number is prime or composite?

If a number is divisible by anything other than itself and 1, it's composite.


Can you use divisibility rules to find out if a number is prime or composite?

Yes you canYes. If a number is divisible by anything other than one or itself, it's composite.


Is 163 prime or composite?

The number is not COMPOSITE. Instead, it is a prime number.


What is the definition of a prime and a composite number and a composite number and a composite number?

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