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1 is the only number that has exactly one factor. A Prime number has exactly two factors, 1 and the number itself. A composite number has more than two factors.

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Q: Why is 1 the only number that is neither prime or composite number?
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Related questions

Is 19 a prime number a composite number or neither?

19 is prime the only numebr that is neither prime or composite is 1


Is 1 a prime composite or neither?

1 is not considered to be a prime or a composite number


Is 1 a composite number even though it is neither a prime or composite number?

the number "1" is neither prime or composite the only number that go into "1" is 1. A prime number is a number that only has 2 factors.And a composite number has 3 or more factors.


Is 17.5 a prime or composite number?

Neither. The concept of prime and composite applies only to positive whole numbers [greater than 1].


What is the only positive number that is neither prime nor composite?

1 is neither prime nor a composite number.The number one (1).


Why is the number 1 neither prime or composite?

1 only has one factor, which is 1. Therefor it is neither prime or composite.


What numbers are neither prim or composite?

the only number that is neither prime nor composite is 1.


Is 155 prime composite or neither?

155 five is composite. It is composite because it has 5 as a factor. The only number that can be neither prime nor composite is 1.


Is zero prime composite or neither?

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 are neither prime, nor composite.


The only number that is neither prime or composite?

A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.


How is one neither a prime or composite number?

Prime numbers have only 2 factors, 1 and itself. Composite numbers have 3 or more factors. 1 has only 1 factor, so it is neither a prime number or a composite number.


Is number 77 prime or composite or neither?

77 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 are neither prime, nor composite.