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Mathematics 7 Online
OpenStudy (lgbasallote):

all prime numbers are odd numbers right? just confirming..

OpenStudy (anonymous):

2 is even

OpenStudy (anonymous):

Except one..

OpenStudy (anonymous):

2 is the only prime number because any number after 2 will be divisible by 2..

OpenStudy (lgbasallote):

but i thought 0, 1 and 2 were neither prime nor composite? arent they special numbers?

OpenStudy (anonymous):

0 and 1 are not prime but 2 is prime...

OpenStudy (lgbasallote):

hmm since we are all gathered here anyway...why are 0 and 1 not prime nor composite?

OpenStudy (anonymous):

By the definition of what are Prime numbers, 2 becomes the Prime Number...

OpenStudy (anonymous):

Are all of you still in high school? A second ago I was at MIT.. What with all the trivia questions?

OpenStudy (lgbasallote):

uhmm isnt the def of prime number it cannot be expressed as a product of two numbers? so why are 0 and 1 exempted/

OpenStudy (lgbasallote):

<--second year college lol..i just want to know these trivial things. they fascinate me.

OpenStudy (anonymous):

0 is not prime. It is divisible by almost all number

OpenStudy (lgbasallote):

and 1?

OpenStudy (lgbasallote):

same reason?

OpenStudy (callisto):

Please see this: http://mathworld.wolfram.com/PrimeNumber.html

OpenStudy (anonymous):

It is prime.

OpenStudy (anonymous):

See, Composite Numbers are the Natural Numbers which are not Prime... Don't be in doubt, 0 is not prime... 1 is Composite Number...

OpenStudy (lgbasallote):

so what are the "special numbers"?

OpenStudy (anonymous):

1 is special number. neither composite nor prime.

OpenStudy (lgbasallote):

oh i see thanks @Callisto so 1 is the only special number..2 is prime too

OpenStudy (lgbasallote):

okay i think my fascination has been satisfied now. thanks :)

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