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Mathematics 7 Online
OpenStudy (anonymous):

why we do not take 1 as prime no. what's the reason?

OpenStudy (saifoo.khan):

Idk. But 1 has only 1 factor.

OpenStudy (saifoo.khan):

While Prime numbers have atleast two.

OpenStudy (anonymous):

what is idk?

OpenStudy (saifoo.khan):

i dont know. hehe. ;)

OpenStudy (anonymous):

@rosy A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. since 1 is divisible by only divisible by itself.

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