Is 1 a odd prime number?

1 is neither a prime nor a composite number. The only even number which is a prime is 2. It is the smallest prime number. Except 2, all other prime numbers are odd numbers.

Is 0 prime or odd?

Zero is neither prime nor composite. Since any number times zero equals zero, there are an infinite number of factors for a product of zero. A composite number must have a finite number of factors. One is also neither prime nor composite.

What is the smallest What is the smallest prime number?

2
2 is the smallest prime number. It also the only even prime number – all other even numbers can be divided by themselves, 1 and 2 at least, meaning they will have at least 3 factors.

What is the odd smallest number?

1
The smallest odd number is ‘1’. ‘1’ is neither a prime number nor a composite number by convention. The next smallest odd number is ‘3’.

Is 1 a smallest prime number?

Natural numbers: The Natural Number 2 is the smallest prime number. 1 is divided itself only hence 1 is not a prime number.

Which is the smallest odd composite?

9
Ans: The smallest odd composite number is 9.

Which is the smallest even composite number?

4
The smallest even composite number is 4.

What are the ten smallest prime number?

The smallest prime numbers are 2, 3, 5, 7, 11, 13, 17, 19 and 23. The number 2 is the only even prime number. The number 7 has only two factors: 1 and itself. Is 2 the only even prime number?

Which is the smallest even prime number?

Some facts about prime numbers and composite numbers are: 1 is neither a prime nor a composite number. The only even number which is a prime is 2. It is the smallest prime number. Except 2, all other prime numbers are odd numbers.

What is the most unique prime number?

the repunit (10 270343 – 1)/9 is the largest known probable unique prime. In 1996 the largest proven unique prime was (10 1132 + 1)/10001 or, using the notation above, (99990000) 141 + 1. It has 1128 digits. The record has been improved many times since then.

Which is the smallest positive prime number?

In all the positive integers given above, all are either divisible by 1 or itself, i.e. precisely two positive integers. The smallest prime number defined by modern mathematicians is 2. To be prime, a number must be divisible only by 1 and the number itself which is fulfilled by the number 2.