Why 1 is not a prime number ? Is there any theorem which says this ?
Dear Student,
By definition of prime Numbers! An integer greater than one is called a prime number if its only positive divisors (factors) are one and itself.
Hence 1 is not a prime number as per the definition.
Regards,
By definition of prime Numbers! An integer greater than one is called a prime number if its only positive divisors (factors) are one and itself.
Hence 1 is not a prime number as per the definition.
Regards,