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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

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Q: Why isn't one a prime number prime number?
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Related questions

A number that isnt a prime number?

Composite


Why isnt 39 a prime number?

39 is not a prime number because it has four factors: 1,3,13,39 and because prime number are numbers who has 2 factors.


Can five over nineteen be reduced?

no, 5 isnt divisable by 19. 19 is a prime number and isnt divisable by anything.


What is the LCM of 8 12 and27?

there isnt one because 27 is a prime number. and come one, really? thats like 3rd grade stuff!!


What is a number that can not be turned into a fracion?

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What is the smallest number that looks prime but really isnt?

It isn't clear what you mean with "looks like prime". What would your criteria be to "look like a prime"? The first prime numbers are:2, 3, 5, 7, 11, 13, 17, 23, 29, 31 ...Other positive integers (larger than 1) are composite numbers. The number 1 has a special role, as the identity element of multiplication. It is neither a prime number nor a composite number.


Why isnt 1 prime or composite?

1 is neither prime nor composite because Eratosthenes decided that it was nor prime nor composite because 1x1 is 1, but then again,1x any other number is that number, so one can go into every number before and after infinity. Confusing right? Try looking up on Wiki the guy Eratosthenes.


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.


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.


Does every prime number have one even prime number?

No. The only even prime number is 2.


What are prime number and composite numbers?

a prime number is a number that you can plus by one


What number is only divisible by one prime number?

Any prime number.