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How come one is not a prime number?

Updated: 4/28/2022
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13y ago

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The definition of a prime is an integer that has two positive factors, one and itself. These are two distinct factors. One only has one positive factor. Thus it's not a prime.

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Q: How come one is not a prime number?
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Is 1 composite number or prime number?

one is not compiste and not prime because its not prime and not compisete and dont ask again or i will come and kill you


Why is one a prime number?

One is not a prime number. A prime number, by definition, is a number that is only divisible by two numbers: one and itself. One is divisible by only one number, one, and therefore is not a prime number.


Is the number one a prime factor?

No 1 it is not a prime number. The definition of a prime number is that it can only have factors of one and itself. Since one already has one then it can not be a prime number.


What is one if it is not a prime number?

one is in fact a prime number.


What number has only one prime factor?

No prime number only has one factor. Each prime number has itself and 1 as factors. Now, the number 1 of course has only one factor, but it is technically not a prime number.


No prime number can be a perfect square True or false?

True. By definition, a prime number is divisible by one and by itself. Also by definition, a perfect square has at least an additional pair of factors - it's square root. Therefore a prime number could never be a perfect square. One exception that might come to mind in this case is the number one. One however, is not considered a prime number, and thus does not conflict with this rule.


What is it called when a number can only be divided by one and itself?

a prime number.


What is the one prime even number?

2 is one prime even number.


Why isn't one a prime number prime number?

one is not a prime number because one isn't divisible by 2 diffrent numbers it is only divisible by one number one which is itself


How come no number that is a multiple of 6 a prime number?

Multiples of 6 are even. The only even prime number is 2.


Is 241 a prime number or a composite number?

241 is a prime number. Any number that only has itself and one as factors is a prime number. Therefore, since there are no factors of 241 other than one and itself it is a prime number.


Is one a perfect number?

no, but I don't know why. One is not a prime number and by definition of a perfect number one must be a prime number.