Question

Is 1 a prime number yes or no. explain

Answer 1

Answer:

Step-by-step explanation:

No 1 is not a prime number because prime number is a positive integer that has exactly two positive divisor.however 1 has only 1 positive divisor so it is not a prime number.

Answer 2

Step-by-step explanation:

A prime number has ' only 2 distinct factors' : '1' and the 'number itself'

A composite number has always more than 2 factors

In the case of 1:

1 = 1*1

Here there is only 'one distinct factor' which is '1'. Hence '1' is neither prime nor composite.

1 is not a prime number

Additional info: smallest prime number = 2; smallest composite number = 4